Why Is My Boat Motor Leaking Gas

A fuel problem would be constant as well as dirty carb, clogged hoses, leaking intake, so the problem is related to the heat which is prolly the points/condensor. All you need to know about your outboard engine issues and good advice from your fellow boaters. Assemble the float and needle valve to the carburetor and check the float level. This fuel will also attrack water into your fuel system as well. After about a month ago, after a day of fishing, I was headed back to th. You can lessen it some by removing the fuel line and running the gas from the carburetors. No adjustments or repairs are possible. Intake leaks tend to happen for different reasons on different bikes. Boat Fuel Hoses. Hey all, I have recently purchased a 98 1900SRL with a 3. Yep, sorry; I'm not at the boat right now and my ancient memory was confused. Finding the break in your air duct is a good start, but you typically need to contact a professional for plumbing repairs to fix your sewage line and rid the rotten eggs smell for good. Its engines are known worldwide. If the oil is still a whitish color, then you definitely have water in the oil, probably from a leaking head gasket or a crack in the block. Replace the fuel pump if it leaks or doesn't pump fuel to the carburetor. If you have a pressure tester, connected it to the fuel fitting. I use this mixed with gas in my Vintage, 1978 Johnson 9. Engine leaks A more serious form of internal leak would be one within the engine where the coolant, leaks into the cylinders through a leaky head gasket. They are coordinating a way to pick up my boat and transport it about 300 miles North to Nashville, GA for repair. I own a 28″ deck Arien’s riding mower I bought new about 14 years ago. If the boat is used in salt water, the engine should be flushed after each use. needle and seat are obstructed with foreign material 3. Hello, I have a '91 Yamaha ProV 150 on a Ranger 351V. For you, this means maintaining fuel economy and horsepower. Personally I like the tank location. But you will usually get some drip when you tilt the motor up. This means that the engine takes two or four "strokes" to complete the cycle. MY MECHANIC SAID RUN IT IN THE LAKE IN STED OF MUFFS BECAUSE THE WATER IS COLDER OUT OF THE HOUSE. I tagged along with David Brooks of Gas Check Marine while he checked one boat over and installed a new system on another. An engine in this condition will not start until the excessively rich mixture has been cleared. You MUST use A1 fuel hose below deck on the high pressure side (after pump). Why can't I use a larger or heavier motor than recommended for my boat? The boats are rated accordingly by the NMMA, exceeding the maximum capacity in any fashion could result in a fine or summons. Air-fuel compression is crucial to engines powering lawn mowers and outdoor power equipment. Fuel tanks don't last forever, and replacing them means making some decisions. leaking down past rings and filling the oil pan that would be first. my car add more 0. Sufficient fuel must be reaching the engine. running lean? mine was doing that same popping and didnt find out until i hooked up similar to a dyno tune with things in my exhaust reading the air/fuel mixture. G35 Transmission Leak. Most gasoline passenger and light duty trucks on the road today utilize electronically controlled fuel injection. EGR (exhaust gas recycling) valves cause more trouble than they are worth. Notice the black varnish deposits forming on this lawn mower carburetor. The symptoms include stalling when coming to a stop, or very low idle after starting, or stalling if the throttle is "blipped" (opened and closed quickly). The primer bulb is typically installed in the flexible rubber fuel hose feeding the engine. Such faults as vacuum leaks and gasket leaks will cause lean fuel/air mixtures. Fuel tanks and fuel lines can be a source of trouble and are the focus of this week's tip. When your chain saw starts leaking fuel, it's time to stop its engine and locate the root of the problem. DIAGNOSE - ENGINE IDLES TOO HIGH. From the tank the gas is suctioned into the carburetor where it mixes with air, then is pumped further into the cylinder where the spark plug ignites the mixture; any excess gas is purged back into the tank. mariner 50hp. The ultimate bad news is damage to the engine itself. NEVER use a match, flame or plain water to test for a leak. I started up my 90 hp Mercury OB on my 1962 Grady White yesterday for the first time this season. Eddie spent 35 years in the automotive business with Honda. If the tank is venting properly, and fuel flowing well to the carburetor, I'd clean the carb. 00 bill to my dealer who installed the motor and pumped out old fuel. If you notice gas mixed in with your engine oil, follow these instructions to address a potential leak. Probably the most common problem that causes idle problems in multiport fuel injected engines is a carboned-up throttle body. He is an ASE Certified Master Technician and has bruised knuckles to prove it. i found out the oil is green, its normal? If yes, why the oil will be green color? because i fill the new oil is golden color. Merc 50hp outboard - carbs leaking gas I'm just getting into small go-fast boats - A friend and I recently bought a 13' DUX hammerhead and an old 1975 merc 50 hp 4-cylinder outboard to go with it. Today, the title of this topic is “Learn how to buy used pontoon boats between ten and fifteen thousand dollars” so we will explain all details of pontoon boats today. the only thing is the low fuel pressure, it seems like it takes a few tries for the pressure to build up enough for the car to start. Here's how to avoid that scenario. Fuel injector pintle, ball or disc seat leaks as well as the bottom O-ring leak on a side feed injector will cause fuel to escape into the intake manifold. I loosened the gas cap to relieve pressure because of the heat on the hot days. A suddenly overheated engine is also another key tip-off that you may be facing a coolant leak. It also means your engine starts easier in cold weather. We can help you find your model number right away. These very expensive repairs are due to the fact that replacing the Main Bearing Oil Seals is extremely labor intensive and time consuming, and in the case of replacing of the 'Rear Bearing Oil Seal ' it requires the removal of the transmission, (or worse, of the entire engine on all front wheel drive models) - just to replace a $5-$10 oil seal!. incorrect float setting. Indeed, after learning how the carburetor works, I was able to fix all three of my carburetors. my fuel pressure gauge under my hood was broken and i didnt know it. Any air leak in the fuel system that permits the leaking off of this pressure, will also affect fuel delivery to the carb(s) at low speeds. The top three reasons a car leaks gas are a damaged fuel line, broken O-rings or injector seals, and fuel tank ruptures. Leaking filler-neck. If you have a pressure tester, connected it to the fuel fitting. Doing so can cause the gas vapors that form inside of a leaking float to explode. You only use the Pri to prime the carb, to let some gas into the bowl. When you start the boat in the spring, remember that all of the oil has drained into the pan and let the engine idle for a minute or two to recirculate everything. When the boat was taken out of storage this weekend, I could barely get the shifter into the neutral position and could not pull it back into reverse. A common reason is that if you leave the outboard tilted down after running it, there can be oil build up in the cylinders. If the hunting stops or the engine stalls, you've got a vacuum leak. On Maramor, my Grand Banks 42, the fuel transfer pump’s maximum flow at full-rated rpm is 65. This type of leak will usually show up when combustion gases are pushed into the jacket water when the engine is running and under load. After about a month ago, after a day of fishing, I was headed back to th. The actual fuel burned at full-rated rpm is 23. For you, this means maintaining fuel economy and horsepower. Somewhere between the engine and the fuel tank. Every week I detail tens, even hundreds of thousands of dollars worth of water damage caused by leaks in the boats I survey. Without knowing why, I assumed it was excess fuel leaking out. This can cause a number of problems ranging from hard starting, poor idle, poor running to overheating the engine and possibly causing a piston seizure. been having a issue with all the gas draining back out of the fuel line/filter going to my 1406 edelbrock carb. If your boat has been sitting for a year without being run, Water is leaking into my boat from the transom My fuel is old My engine has been sitting for several months without being run. In this case, the check valves are both slightly open and allowing fuel flow at the rate that the engine is using it. I have replaced the oil pressure metering valve (crankcase mounted valve) to no avail and now at a loss for what to do next. Unstabilized fuel which is allowed to sit in an outboard for over a month is the major repair cost that we see. Pull the oil dipstick out of the engine and reinsert it firmly. This allows stabilized gas to permeate your motor's fuel system. You can perform a compression system with a leak down tester. Got it back together, making sure the float height was per the manual - meaning that. A leaky gas tank can not only cost you a lot of money in wasted fuel, it can be very dangerous and result in a potentially deadly fire or explosion. my gas powered tools to run. Now, all of Mercury's outboard engines that use portable fuel tanks come with the technology that's EPA approved. Outboard marine engines work much hard than automobile engines. I've noticed the same thing on my 30 johnson. Vehicles Under $10,000 Pre-Owned Specials Vehicle Recall Information New Car Specials. better after worms up but still popping. Remove fuel line. An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. The Forum is a free service, and much like the "free" content on Public Radio, we hope you will support WoodenBoat by subscribing to this fabulous magazine. It will have a wire on the bottom (the water in fuel sensor). When I first turned it over, I had. Hard to detect this and when you inspect the fuel line you might not see it or the valve in the bulb can be passing air also. Why is gas leaking and how to repair it ? First of all,let us discuss the reasons cause a carburetor to leak gas. The engines store fuel in either a VST or an FSM. Have oil coming out of the drain holes on the outdrive when trimmed up. The hole shot to planing used to take about 3 to 6 seconds depending on extra weight (fuel, passengers). Sometimes it's hard to start, but that's not the main problem When I open the fuel line valve, that lets the 2-stroke mix go from the filter to carburettor, a small hose connected near the carb starts leaking fuel. My engine stalls or almost stalls when I come down to an idle. The common places that a dirt bike will leak gas is out of the fuel switch, the carburetor overflow, the fuel bowl, or the carburetor drain screw. Vented loops are to prevent back siphoning from water systems that lead to the outside. capt have you cheked oil for gas. My problem is in the Turbocharger. Symptoms and Causes » Gas Leaks from Carburetor; Engine won"t idle smoothly at 350 to 450 RPM. Assemble the float and needle valve to the carburetor and check the float level. Boats with LPG (butane and propane) aboard. There are a few possible causes to missing power from an engine and here are a few things to ponder: Your engine may have old gas in the tank. One of the biggest reasons why ethanol fuel and boats don’t go together is that ethanol has the unhappy ability to attract water. On the 406 HDi a likely cause is the o-ring on the water drain plug on the front bottom the filter. If the leak is coming from the. The fuel line assembly is a special fuel line with a primer bulb in the center that connects the fuel tank with the boat engine. (Same as the filler-neck. Leaking engine or accessory oil cooler: Coolant passes into the oil side of the cooler when the engine is shut down. If it runs then it is your fuel pump, fuel is being supplied by siphoning action if it stops you have an air leak before the check valves in the ball. We have a wide variety of boat gas tanks to choose from. Same set up on the passenger side with cylinder #4. A blocked outboard fuel line prevents fuel from getting to the motor. The Spoolmate, like other spool guns, holds a 1 pound wire spool on the gun and feeds it with a motor in the grip. Briggs & Stratton Small engine leaks gas. Intake leaks tend to happen for different reasons on different bikes. If the bulb does not become firm when squeezed prior to. In either case, place the other end of the hose below the fuel tank. A boost leak is a type of air leak that happens in the intake path just before the engine cylinders. Mine failed at 10years old - replacement just over £2 (2010 prices). Guys maybe you can give me a little help before I take this motor into the shop. Some knocking noises are normal and should be of no concern at all, while other deep noises can be a sure sign of impending doom. Water or dirt in fuel system 5. been having a issue with all the gas draining back out of the fuel line/filter going to my 1406 edelbrock carb. Feel free to contact our technical support line at 888-863-0426 with any other questions. Another common cause of gas leaking around air filters is due to carburetor issues. As I was emptying the bag, I. They also have a good technical section that can provide some tips on removing the VRO oil pump and replacing it with a fuel pump. Due to pressure on the fuel rail; fuel will push itself down into the cylinder of any leaky injector and gradually drip into the oil pan. i figure that the warm starts were not a problem because cars don't require as much fuel to start when warm, only when cold. 06/30/2013 by monte. Indeed, after learning how the carburetor works, I was able to fix all three of my carburetors. Ive run this motor for 15 years, and my only complaint is it likes gas. When I turn the throttle my drain valve leaks gas at a tremendous rate. Leaking fuel injectors can cause Oil Thinning. When you buy fuel line, buy at least 2x as much as you need. QUICK FIX: First, squeeze the ball as you watch the fitting between the engine and the line, the barb and the hose, the barb on either end of the ball, and if it's visible, the fitting between the line and the tank. Sometimes it's hard to start, but that's not the main problem When I open the fuel line valve, that lets the 2-stroke mix go from the filter to carburettor, a small hose connected near the carb starts leaking fuel. Fiberglass gas tanks can start to disintegrate; one experienced boat owner says, "It can be fatal, in as little as three to four years, for gasoline boats with fiberglass tanks. When you start the boat in the spring, remember that all of the oil has drained into the pan and let the engine idle for a minute or two to recirculate everything. Not the ones you find everywhere with the gear thing. The fuel filter is on the starboard side of the motor, will look like an oil filter. Low cylinder compression (eg caused by leaking or broken valves, piston ring sticking, cylinder and/or ring wear, or cylinder glaze) When white smoke occurs at cold start, and then disappears as the engine warms up, the most common causes are fouling deposits around piston rings and/or cylinder glazing. Without a choke, an outboard internal-combustion motor may not start up. If the problem is the fuel pump electrical circuit, the engine's difficulty to start is due to the fact that there is an electrical current interruption with this main electrical circuit even though the engine ultimately starts up. When fuel is added at the start of the season, these components can fail, causing leaks, fuel level and richness problems, including loading up, plug fouling, and overflowing (which can be very dangerous on a boat). Anyway, most people said start with the filter, it clogs alot. Most of the time the motor runs beautifully and starts and runs very well. A gas leak at an LG Polymers plant in India has been brought under control, and the company is investigating the cause of the deadly accident and the extent of the damage, South Korea's LG Chem. When you spot a minor leak, repair it immediately! If you smell gasoline, chances are there is gasoline on the loose. Constant leaking of fuel like that is indicative of a float valve that is, in some way, stuck open. Most outboards do this, in my experience. DIAGNOSE - ENGINE IDLES TOO HIGH. When the boat was put away for the winter, the shift lever was in the forward position. So, The number one cause would most likely be leaking fuel injectors. 7L Fuel and Air Components JASPER® remanufactured Cummins 6. When the motor is running, oil is getting pumper ANF used so the overflow issue is somewhat muted. Likes: I like the boat for its roominess and with the 50 hp it goes 32-34 mph. Diesel engine runaway is a rare condition affecting diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM and producing up to 10 times the engine's rated output until destroyed by mechanical failure or bearing seizure through lack of lubrication. Periodically check the fuel line for cracks and worn spots. Interestingly it seemed to. No one who has experienced a gas leak, and its potentially disastrous and fatal consequences, ever chooses to store a filled external gas tank aboard ship. My problem is in the Turbocharger. Some boat dealers tell me that FWC is not necessary. Now the recommended fuel is 87 octane gasoline. i ran this exact carb on one of my trans ams and it sat once for a month before i noticed the fuel draining back to the tank. ; Check regularly for water in the. According to eHow , fuel lines can develop leaks over time because they are prone to rub against metal under your vehicle. If a high-pressure fuel line is leaking, it may be spraying a fine mist of diesel into the air and this could cause a fire. I have a Troy-Bilt rototiller that I put back into service recently (piston was rusted in place; exhaust valve was rusted shut; etc. We will try to explain the differences and the reasons for the tests. Either way, it was at FULL when I. A swap of spark plugs, and taking it out on the lake at wide open will clean out the jugs. ) Anywere else before it gets to the cylinders and it should end-up in. The only seal where the fuel line enters the tank is the fit between the line and the opening in the tank. My engine is several years old. Chaparral have offered to fix the leaking gas tank, even though my boat is a model year 2008. How To : Fix engine oil leaks by replacing the oil pump seal If your engine is leaking oil from under the pulley in the front of the engine, you probably need to replace the oil pump seal. The other problem you might have is a blown headgasket, where exhaust gas is being pushed into the cooling circuit. This means that if you do find a leak in your tank, you have to literally destroy the cockpit floor of your boat to remove the tank. Try removal of the seat, looking at the fuel system with the key on to see if you see leaks/fuel pooling there as that might also occur - keep in mind the fuel is pressurized for the injectors. Upon close inspection there is no fuel leaking from the fuel line. Without a choke, an outboard internal-combustion motor may not start up. Often a leak is caused by vibration of a fuel line against another part of the engine. Outboard engines are great - if you look after them. The boat and motor are from the late 70s. One of the symptoms of leaky fuel line is that the engine does not start as soon and may stop in. Hi all, just bought a used mini-motor bike. 3L has a history of leaking manifold gaskets is there anything else back there that might be a possible cause? theres no. An unexpected change in the performance of your boat motor can put a damper on a day of fun on the water or even prevent you from leaving the dock. If your boat has been sitting for a year without being run, Water is leaking into my boat from the transom My fuel is old My engine has been sitting for several months without being run. 7 psi (pounds per square inch at sea level) then the pressure in the cylinder should reach 6 times 14. Most such leaks may be attributed to a stripped oil pan drain plug — a simple. After a good wipe down of everything, the engine is ready to be restarted. Let the gas tank pressurize up and disconnect the tank vent line at the canister. The primer bulb is typically installed in the flexible rubber fuel hose feeding the engine. I have an 09 F115 (255 hrs) that is leaking around the plastic side cowling and the front drain holes on the front of the engine when tilted. The hole shot to planing used to take about 3 to 6 seconds depending on extra weight (fuel, passengers). needle and seat are obstructed with foreign material 3. after running some new. Atmospheric pressure in the tank through the vent pushes the fuel from the tank to the engine. - Replaced leaky aftermarket (Moeller) fuel hose connector with a Yamaha part <<-- big difference! When detached from the motor, fuel doesn't come out of hose when I press the bulb like it used to, fuel doesn't leak out at the connection to the motor and air doesn't get sucked in. When under pressure, water and engine coolant boil at a higher temperature. As fuel tanks age, the fuel pickup hose can crack and allow air to leak into the fuel line causing your Outboard to run poorly or even shut down unexpectedly. Penney is reportedly getting ready to file for bankruptcy protection as soon as next week, according to CNBC, citing people familiar with the matter. Now lets say that it is hooked up right, fuel flows into the float bowl from the gas tank. Without a choke, an outboard internal-combustion motor may not start up. The test costs about $120 and I’d like to know if this is worth the cost. I am running a 175 sport jet and the mechanic in town has same engine, his tips for sport jets, warm up ten minutes, recommended using Ams oil brand said burns cleaner and fouls plugs less, after pulling boat out of water run for 30 sec to min to blow out condensation, his motor block has couple thousand hours on it. Never run your motor over idle on the hose, you can over rev it and it is no good for diagnostic work your motor needs to be in a tank or on the water or you have no back pressure on the exhaust and this is critical for a two stroke. Because it's been so reliable, I'm not much of an outboard mechanic. My fuel pump is real noisy. Pour in the entire can of seafoam and mix with max 1 1/2 gallons og fuel and run the motor on the muffs with this mixture. The boat is a steal, the hull is solid glass, and the only reason I can get her so cheap is the engine being a Volvo 41A from 1988. Vacuum Leak While modern vehicles use a fuel injector system to burn gas, many older cars use a carburetor to process fuel. I began noticing trouble with Duracells some years ago about the time Ken mentioned having trouble with them too on this website. Most outboards do this, in my experience. I think some fresh gas will make difference. Typically, on a generic across-the-frame metric engine, there is a rubber intake “boot” that moves fuel from the injector unit or carburetor into the cylinder head. The check valve opens and air leaks into the line, causing the fuel pump on your flight box to cavitate. Here's a Force outboard and a simple carb carburetor fix and tear down. It also means your engine starts easier in cold weather. A boost leak is a type of air leak that happens in the intake path just before the engine cylinders. Fuel Float Issue: Designed to maintain pressure inside the carburetor by closing off the system at a certain fuel level, the fuel float can become stuck, resulting in gas escaping from the carburetor into the vent tube & air filter; Damaged or Dirty Carburetors: If your engine's carburetor is dirty or cracked. You MUST use A1 fuel hose below deck on the high pressure side (after pump). The marine fuel lines and hoses in any boat’s fuel system are key to ensure the safe operation and performance of the craft. The motor has just been tuned and serviced. Page 105 Lubber's Line A mark or permanent line on a compass Outboard (1) a propulsion unit for boats, attached that shows the course of the boat. The power and gas are still supplied from the welder but the umbilical is 20 feet long which makes it much easier to move around a 20 foot boat. You can lessen it some by removing the fuel line and running the gas from the carburetors. I can’t see any leaks from the engine block, flywheel, camshafts or sender and based on my local Yamaha dealer recommendation dropped the the lower unit to see if oil was evident as they believe if the. My check engine light is. My carb leaks fuel out of the overflow hose at the bottom of my carb My carburetor leaks fuel when I turn the fuel on at a consistent leak out of the bottom hose of the carb. The carburetor bowl gasket might be dried out or missing. I noticed my bilge kicking on about every 30-45 min on the water, stays on for about 20-30 seconds. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Compression and Leak Down Testing. It is a good idea to check the level of the coolant reservoir tank with every few gas fill-ups. If there's no visible fuel leak, the ball may be sucking in air; squeeze it again and again with your ear next to each connection, as. The engine is revving up and down when I come down to an idle. Fuel lift pump – The diaphragm can split providing a route for diesel to enter the engine crank case. Pump the primer bulb until it fills with fuel and gets firm. What's My Car Worth? Vehicle Recall Information Specials Pre-Owned Specials. When gasoline leaks out of the vent it is because the float inside the carburetor is not stopping the flow of gas into the carburetor when the bowl is full. Create a virtual "watch" on boats you're interested in. If it hisses as you slide the hose off the tube, the canister is bad and shoud be replaced. He installs and checks gas systems on boats all along the South Coast. how to tune mercury 50 outboard carburetors. I have a Mercruiser 470, 485, 488, 190, 3. Another common cause of gas leaking around air filters is due to carburetor issues. QUICK FIX: First, squeeze the ball as you watch the fitting between the engine and the line, the barb and the hose, the barb on either end of the ball, and if it's visible, the fitting between the line and the tank. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. Some smoke came out when i first started it and everything was ok. If the carb was properly rebuilt, and has a good fuel filter the chances of it being a piece of dirt is quite small. With the boat still in the water, remove the spark arrester from the carburetor and fog the engine (Photo 2). the carb does need a rebuild i do know but i can fire it up and it with high idle for 2. by Kyle McFadden. The fuel hoses are pressed onto the inlet and outlet fittings and retained with clamps. (Don't smoke while you do this!). Now we come to the main reason why boat owners prefer to ignore leaks; they can be difficult and costly to repair, but not always. 4) Accelerator pump defective or blown out. Another symptom of a bad or failing fuel hose is visible fuel leaks. P0120 to P0124 Throttle position sensor codes. This could heat up the coolant, as well as airblock the cooling circuit so you. Check the entire system for ANY indication of gas leak, such as smell or hiss. it could be a slight crack or weathering in the bulb or the hose. This can be caused by a piece of debris in the seat the needle seats in, or the float is not adjusted properly. However, as with most machines that are exposed to the elements, wear and tear does occur. When i connect the fuel hose to the motor, it desn't click on and stay attached very well. These are. USUAL CAUSE The usual cause of abnormally high idle speeds are vacuum leaks or an inoperative idle speed control motor. Why Does My Outboard Motor Smoke? An Outboard Motor smokes because it is burning oil. White or grey smoke indicates water in the cylinders, likely due to a coolant leak through the intake gasket or head gasket. Lean backfires happen when the mixture won't sustain a flame in the cylinder and, instead, burns its fuel in the exhaust pipe. Try to keep the tank at least half full. Vacuum leaks will also tend to cause a "lean backfire" through the exhaust. 'Carl' Kiekhaefer, a native Wisconsonite, who was interested in farm machinery, attended a trade school specializing in practical and automotive electricity. Assemble the float and needle valve to the carburetor and check the float level. Based on the experience I do have, it shouldn't do this, but this outboard is older than the ones I usually work on and I don't need to use a primer bulb on my '56 Chev. It is a small round piece of fuel resistant plastic or rubber about the shape of a pencil eraser, but a little smaller. also try r/boating. LPG cylinder lockers - boat owners must ensure the BSS Examiner can carry out careful checking of the LPG cylinder locker for condition, including the removal of all loose. Without knowing why, I assumed it was excess fuel leaking out. Final note: there have been some fuel system recalls on the F series - you can search for those with your specific model number as well. First you can try to put the can higher to simulate actual boat conditions - there's a chance it just can't pick the gas *up* that far at a low idle. If in doubt, take the tank off the boat to open the vent and make sure that there are no fuel fumes on the boat prior to starting the motor. Gas leaks can occur through the air filter and indicate a problem with valves inside your engine. The engine's intake system depends on being completely sealed and free from leaks. I would say that it is definitely a fuel issue,. Now we come to the main reason why boat owners prefer to ignore leaks; they can be difficult and costly to repair, but not always. Leaking gas is not only smelly and messy, it also poses a fire hazard and could be. Usually a blown head gasket will allow cooling water to enter the affected cylinder. I also noticed a dark smear down the leg from the two holes at the back of the leg, which I attributed to my rich fuel mix. Liquid-cooled four-stroke engines, such as those in lawn tractors, can develop cracks in the engine block or parts of the cooling system, allowing coolant to leak into the exhaust, oil or fuel systems. You only use the Pri to prime the carb, to let some gas into the bowl. This lean mixture can quickly result in a seized piston. my boat motor is leaking water out of the spark plugs, what should i do? fuel coming out of the top hole on middle carb i check the bowl seems to be the same as the others My outboard engine does not rev like it did last year, it runs about 7 MPH less than it did. Based on the experience I do have, it shouldn't do this, but this outboard is older than the ones I usually work on and I don't need to use a primer bulb on my '56 Chev. If the oil is still a whitish color, then you definitely have water in the oil, probably from a leaking head gasket or a crack in the block. i found out the oil is green, its normal? If yes, why the oil will be green color? because i fill the new oil is golden color. Easily connected between your fuel tank and engine, the 10 micron filter traps over 98% of the water that may be present in the fuel tank before it reaches your engine. ; Check the tank vent to make sure it is free of obstructions. Its engines are known worldwide. If there’s fuel laying in the intake or if the area around the regulator is very clean, the regulator diaphragm is probably leaking. When I put the boat away last fall I noticed there was a water leak in the motor cowling. This means that evaporating fuel can reach an explosive mixture. Due to pressure on the fuel rail; fuel will push itself down into the cylinder of any leaky injector and gradually drip into the oil pan. Click here to get check engine light information on your 2012 Honda Fit. Remove fuel line. 5 months it sat, I'd guess it's a fuel system issue. The presence of water in your fuel tank may lead to microbial growth (think mold or algae) and the fuel breaking down — which may lead to plugged filters and more serious damage within the engine’s fuel system, says the American Filtration and Separations Society. Leaking fuel injectors can cause Oil Thinning. Towing boat without power vacuum can suck water into engine , should you clamp off water intake line while towing jet boat behind house boat SX195 on Lake. No adjustments or repairs are possible. My carburator is leaking fuel. In this boat motor repair guide, we will go through how to maintain your outboard boat motor. These are motors plus a gearbox and either a propeller (prop) or a jet drive. Contact your local Suzuki marine dealer for questions concerning service, parts, accessories, or the need for a new Suzuki outboard motor. I always check the engine before I do as well, and the smell is no greater with the engine cover open than it is with it closed. Boat Batteries: What You Need to Know. Some smoke came out when i first started it and everything was ok. This is a common problem on small outboards, but it clears itself up - maybe 90 percent of the time - by the time you run half a tank of fresh gas (a 6 gallon tank) through it. Such faults as vacuum leaks and gasket leaks will cause lean fuel/air mixtures. There can be one of two contaminants in the oil; either coolant water or diesel fuel can escape from their systems. Empty gas tank 2. (Same as the filler-neck. Ideally, drain your oil right before the boat is hauled, refill, then run the engine for a minute or two to make sure everything is coated with clean oil. if a vacuum hose or plastic barb breaks, stuff like that. Leaks If you see fuel loose in your boat with not good explanation, this may be the result of a leak in your fuel tank. So if the gland is worn out and leaking into the boat with the engine off, it can also suck air when accelerating on to plane, and if this happens, then the thrust is reduced dramatically. Most air leaks happen between the filter inlet and the engine lift pump. Using carburetor cleaner can damage a small engine. From the sewer, methane gases, the cause of the stench, leak into your AC unit, allowing your air ducts to circulate all around your home. (Don't smoke while you do this!). The "weep" hole is actually a vent hole for the carburetor to draw air into. The fuel that is drawn into the engine resides in the bowl of the carburetor. It is easy to handle and it cuts through the waves easily. Our selection is great, and so are our prices. 799630) yesterday and did one pass around the yard. The powerful torque curve of the new 150 Four-Stroke ensures that even the heaviest boats will plane quickly. I PUT NEW THERMOSTATS IN MINE AND WAITING TO TAKE IT TO THE LAKE. I hooked up the water and gas and I ran it in my driveway for 10-15 min to get the fog out because it hasnt been in the water since it was winterized. In 1938, the Cedarburg Wisconsin plant, which made outboard motors, was about to fold. The first observation to make is to assess the colour and consistency of the fluid. Also, make sure to thoroughly clean the bottom of your boat periodically to prevent salt build-up. Boat Fuel Hoses. Problems when driving 5-35 MPH; Problems when driving over 30 to 35 MPH. If the top seal is gone you will see a noticable amount of oil at the top of the block under the flywheel. Outboard engines lose fuel prime because of an air leak in the fuel system. But you, or the shop that will work on the engine, needs to discover "the smoking gun. my gas powered tools to run. Is the leak enough just to know its oil or we talking a puddle? A little or few drops is normal for me, running a 1976 85 hp javelin, this motor has been to canada numerous times and been out 6 times this year. The motor is a yamaha 50 outboard model 6h5 50tlrb - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Our selection is great, and so are our prices. The outside of those boots is exposed to the high temperatures of the engine. I had this problem this morning, but i seem to have a leak. Ultimately, since the circulation system that cools the engine is comparatively fragile, a cracked engine block will lead to coolant leaking out of the area it is needed and leaving the engine to overheat. When your outboard is overflowing fuel or just getting too much, the problem is your fuel needle and seat not sealing. After 4 tries it started right up – white smoke billowed from the exhaust and within minutes the engine was running super smooth. I am new to fishing boats and I just noticed a tan/brown liquid leaking out of the propeller area of my lower unit. Air leaks after the turbo will cause lower engine power, excessive smoke, and in some cases, and noise like a whistle when there is a pin hole air leak. P0120 to P0124 Throttle position sensor codes. About the Mercury company: E. Page 105 Lubber's Line A mark or permanent line on a compass Outboard (1) a propulsion unit for boats, attached that shows the course of the boat. Lucas M8 Synthetic SAE 80W-90 Marine Gear Oil is a pure synthetic, non foaming, super slick, long lasting lubricant designed especially for marine applications. When this occurs, there's a constant fluctuation in the amount of fuel that's pumped to the boat's carburetors, and as a result, the motor's RPMs go up and down. Although there are many substances that can damage parts of the engine when put in the fuel tank, most of them do not do any major damage to the engine as a whole. With the engine Idling, the vacuum gauge pointer will drop sharply, every time the leak occurs. Honda Accord: Why Does My Engine Oil Flow Into the Coolant Reservoir? You've noticed engine oil in the coolant reservoir, but the car still runs okay?for now. Sounds a lot like this motor is all loaded up. It can also coat the inside of your fuel tank. Engine not primed -- pump primer system 8. At cruising speed, Honda engines run on up to 20% less fuel than other comparably sized outboards. If air enters the injector pipes, the engine will stop because the air will act as a shock absorber, preventing the fuel pressure from rising high or quickly enough to be sprayed into the cylinder. One of the first symptoms of a potential problem with the vehicle’s heater blower motor is low airflow from the vents. THe hose can be moved to help locate the problem. 50 hp mercury gas in oil, 50 hp mercury outboard leaking gas, 50 mercury 2 stroke leaking oil, force 40 fuel leaking, gas leaking from outboard tell tale, how do i figure out where my mercury 50hp motor is leaking gas, mercury jet 40 oil leaking, what would cause a 2003 mercury 50 hp 2 stroke vacuum leak, why my merc 30 hp leaks oil when trimmed up. ; Make sure the fuel primer bulb is not cracked and is pliable. If your engine has a fuel shut-off valve, ensure that this valve is closed when the engine is not in use. MasterCraft boat. Hi all, just bought a used mini-motor bike. Perfect article for what I need to do on my smaller riding mower. Yes, the BlueDevil Oil Stop Leak is safe and compatible to use with your Honda outboard motor for your leaking crankshaft seal. The Spoolmate, like other spool guns, holds a 1 pound wire spool on the gun and feeds it with a motor in the grip. Bought a brand new boat with a Mercury 115 outboard. Ive run this motor for 15 years, and my only complaint is it likes gas. It is a good idea to check the level of the coolant reservoir tank with every few gas fill-ups. Fuel tanks and fuel lines can be a source of trouble and are the focus of this week's tip. When I put the boat away last fall I noticed there was a water leak in the motor cowling. Let's Get Fuel-ish. However, if there isn't much fuel in the tank, sometimes this doesn't work, so the intake line can get drained and filled with air as the engine uses up fuel, requiring a re-prime. At least in my opinion. cut exhaust tube and drilled holes in end still same. It happens almost every working day. This article explores common component problems for your Ford F-150 and provides possible solutions. Fuel and air comes from the fuel system and carburetors. I bought a 1990 Mercury 25 hp outboard motor and started it for the first time today. This means that if you do find a leak in your tank, you have to literally destroy the cockpit floor of your boat to remove the tank. Yes I think a carburetor kit my rectify your fuel leak problem, there are four possible reasons why the carb is leaking. The car starts and runs fine while idling and slow acceleration but if you floor it it will bog or stall the motor. To analyze what is best for your boat you need to know how many gallons per hour your engine’s fuel transfer pump has to move at full-rated rpm. The oil injection system has started leaking from the engine mounted oil tank. What's My Car Worth? Vehicle Recall Information Specials Pre-Owned Specials. need more fuel is my guess. Above deck means in the open (such as an outboard engine connected to an above deck tank). THIS WEAKENS THE SEAL. It causes the engine to stop running and rusts the fuel tank. Most such leaks may be attributed to a stripped oil pan drain plug — a simple. The leak specifically occurs because the fuel injectors remain unobstructed and open as opposed to being closed off when the vehicle is turned off, causing the gasoline to drip down onto. After the impellar was used for a couple of hours it crumbled to bits and the engine overheated. Dieseling or engine run-on is a condition that can occur in spark-plug -ignited, gasoline powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, due to the engine kicking back upon shutdown, drawing fuel through the carburetor, into the engine and igniting it without a spark. one thing to check would be your primer ball. Everything went smoothly with the contractor and installation. After about 10 minutes or so, park your vehicle on flat and level ground, turn off your engine, and pop the hood so you can check for leaks. If you find that you have a low oil level, consider adding an oil additive such as BlueDevil Oil Stop Leak as you top off your engine. Periodically check the fuel line for cracks and worn spots. 799630) yesterday and did one pass around the yard. ; Make sure the fuel-line fittings seat properly and don't leak. Have oil coming out of the drain holes on the outdrive when trimmed up. EGR (exhaust gas recycling) valves cause more trouble than they are worth. If a high-pressure fuel line is leaking, it may be spraying a fine mist of diesel into the air and this could cause a fire. If you find that you have a low oil level, consider adding an oil additive such as BlueDevil Oil Stop Leak as you top off your engine. Water or dirt in fuel system 5. There is a little vent cap on the oil resevoir that is missing but I don't think that's the problem because I plugged it up and it's still leaking. liquid fuel leaking from exhaust manifold. When you spot a minor leak, repair it immediately! If you smell gasoline, chances are there is gasoline on the loose. I thought that FWC was primarily for larger boats? 9. If the leak seems to be under the center of the vehicle, check the fuel lines. If you don't run some of the better quality fuels, this is a good time to get in the habit of improving the quality of the fuel you put into your boat's gas tank without feeling that initial crunch from the costs associated with a better fuel product. (1) Wire welders or MIG (metal inert gas) welders have a spool of wire inside and a motor drive that pushes the wire through the umbilical to the gun, along with the power for the arc, and shielding gas such as argon to keep oxygen away from the weld. From the manifold. Free 2012 Honda Fit check engine light diagnostics available this week. by Kyle McFadden. Carb was torn all the way down to a bare shell, soaked on carb cleaner overnight, and then cleaned with spray cleaner and compressed air. Engine oil is one of the easiest fluids to detect. As your car rolls along, the engine takes in a mix of air and fuel that allows it to keep moving. The entire tank including pinholes & weld seams are permanently sealed to prevent the. In my case, the entire engine compartment of my 1975 GMC Suburban showed evidence of an oil leak after I rebuilt my engine. The welch plugs were removed for this. A faulty defective thermostat bypass is also another coolant leak source. MY MECHANIC SAID RUN IT IN THE LAKE IN STED OF MUFFS BECAUSE THE WATER IS COLDER OUT OF THE HOUSE. Rest the machine on the ground, clear of any debris. Leak suspected - Location Uncertain. So, The number one cause would most likely be leaking fuel injectors. Removing the spark plug will release the fuel. The check valve opens and air leaks into the line, causing the fuel pump on your flight box to cavitate. Often a leak is caused by vibration of a fuel line against another part of the engine. Additionally, synthetic oils have better properties than conventional oils. With time, all of these connections tend to start leaking or allow air to get sucked in. A 20 ph would burn _____ gallons per hour. Fuel Injected and Newer Engines. If the engine has an electric primer, remove one of the small fuel hoses from it that goes to the engine's intake or carburetor. I thought that FWC was primarily for larger boats? 9. If your boat was last used in Salt Water, Be prepared for a complete new bloke, as it's often cheaper than trying to rebuild a rusted, corroded, mess!. I can only assume that either the engine is burning oil (no blue smoke though), or the oil is leaking somewhere, either through a leak in the system or through the valves or crank case breather tube during the brief transfer from the dinghy. my fuel pressure gauge under my hood was broken and i didnt know it. Mercury Outboard Propellers. See below for tips on fixing a leaking pontoon. Hi all, just bought a used mini-motor bike. For outboard boat engines, generating low to mid horsepower, the mercury 2 cycle oil is ideal. Cruising speed on most motor boats is around 3/4 throttle. Its engines are known worldwide. Our selection is great, and so are our prices. Same goes for the barbs that attach the fitting and the fuel line, and/or the hose clamps that secure them. I thought that FWC was primarily for larger boats? 9. Without a choke, an outboard internal-combustion motor may not start up. Take the engine cowling off and check for fuel or water leaks. Somewhere between the engine and the fuel tank. This happens because the varnish and ethanol that the fuel contains passes through the filter and solidifies on the inside of the injector. A fuel leak should not be ignored, so as soon as you notice these signs, it is time to make an appointment with a mechanic right away. It kicked right over with very little choke. Unfortunally, that is the only way you can get a Needle Valve and Seat. At 20 hrs the FSM failed. Whether you need a fuel filter, a fuel pickup tube, a funnel for pouring, a portable fuel tank, a complete fuel line assembly, hoses and connectors , senders and gauges , a replacement tank , fuel additives , gas caps. My guess is fuel pump, but does anyone else have any suggestions?. A fuel pump gasket is a gasket, or a piece of flexible material intended to prevent leakage, that is positioned between a mechanical fuel pump and the mounting surface on the side of the engine. It's not an internal motor leak so I assume it's a water line fitting somewhere. 4) Replace the pump. It has a 2 stroke oil injected 50hp Johnson motor. My fuel mix was a little heavy on oil - 500ml to 22. This article deals primarily with sailboat leak problems. Just before decarbing (or fogging) my motor I like to add fuel stabilizer to my fuel. My first new boat, and my first I/O. It can also coat the inside of your fuel tank. If the leak is coming from the. Unfortunally, that is the only way you can get a Needle Valve and Seat. This allows stabilized gas to permeate your motor's fuel system. This is my very first outboard/boat, so Im not sure what to expect. A car engine uses motor oil to lubricate the internal moving parts of the engine such as crankshaft, rod bearings, pistons and valve train. It goes without saying the engine fuel system must be leak proof, but it is also necessary that it be air-tight as well. You need vented loops (anti-siphon valves) or should have them, as part of an engine exhaust system, or plumbing for bilge pumps, or the marine head. I also noticed a dark smear down the leg from the two holes at the back of the leg, which I attributed to my rich fuel mix. Once the motor stops running but the ignition is on, the tank will overflow. Quick fix: put some grease on the end fittings at the tank and motor. needle and seat are obstructed with foreign material 3. Hi all, just bought a used mini-motor bike. Upon close inspection there is no fuel leaking from the fuel line. Similar Threads for: My carb leaks fuel out of the overflow hose at the bottom of my carb: Thread: Thread Starter: Forum: Replies: Last Post: KX 125 carb hose connections: D-r-e: 2-Stroke Dirt Bikes - Kawasaki: 9: 06-05-2013 12:31 AM: Fuel leaks out of one of the hoses in my carb: Danistheman: 4-Stroke Dirt Bikes - Yamaha: 4: 12-16-2012 07:09. Port Credit Marine Surveys & Yacht Delivery: Gasoline engine compartment ventilation safety ! The majority of twin engine gasoline powered boats and a very high percentage of single engine boats (sailboats included) I survey have improperly and unsafely ventilated gasoline engine compartments. If you're leaking fuel and have a portable tank, change tanks and clean out the boat--use fuel-absorbent pads--before returning the boat to the water. Many builders place the fuel tank in the boat and then seal the cockpit on top of it without leaving a way to inspect or replace the tank. The motor has just been tuned and serviced. A diesel engine can ping, cling, clang and bang, and all the time you are wondering just what is acceptable and what is not. I have to push and hold the hose onto the fuel line connector i. 3/8" EPA Compliant Hose and Bulb Assembly-8008589. Fuel supply valve turned to OFF. The first order of business is finding out who. For you, this means maintaining fuel economy and horsepower. leaking down past rings and filling the oil pan that would be first. I have a Troy-Bilt rototiller that I put back into service recently (piston was rusted in place; exhaust valve was rusted shut; etc. as the title says, i have a big water leak from the back of the engine near the firewall. Diagnosing dead or clogged fuel injectors is difficult because it acts the same than a bad coil, dead spark plug, broken. Fuel fumes (either gasoline or diesel) must be dealt with right away. I've had this boat for about 2 years and have been happy. REPAIR MANUAL SEARCH TERMS. We have a wide variety of boat gas tanks to choose from. The pump is operated by an eccentric lobe on the camshaft or. No, I didn't take off the hood and run it with muffs while looking for a leak/drip. by Bob Ricewasser and Ken McNeil • courtesy of Skinned Knuckles. Leaking fuel injectors can cause Oil Thinning. Sounds a lot like this motor is all loaded up. Cruising speed on most motor boats is around 3/4 throttle. Rotted fuel lines leak gasoline or diesel fuel onto hot engine parts -- and leaks in the fuel system are the most common cause of vehicle fires. If the primer bulb pumps up tight but the engine is still hard to cold-start, check to see if your fuel tank may be equipped with an anti-siphon valve. This article applies to the Ford F-150 (2004-2014). If there was an air leak after the check valve then when you squeezed the ball it would spray gas. Original review: Oct. Diesel engine runaway is a rare condition affecting diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM and producing up to 10 times the engine's rated output until destroyed by mechanical failure or bearing seizure through lack of lubrication. There are several other areas where vacuum leaks can occur, I mentioned the most common above. This article will go through a few of the possible reasons, and what you can do to repair it before the problem gets worse. Now the recommended fuel is 87 octane gasoline. A low oil level can cause engine ticking noises as valvetrain components aren’t getting the proper lubrication and start to get noisy. system that matches the engine and is safe. but has a flammable gas line nearby and want to know the if electromagnetic effect can ignite the gas if it leaks near to electrode during testing. Problem is usually caused by bad gas, dirt in gas, or vacuum leak or ignition problems causing engine spitback. johnson outboard 30 hp carburetor adjustment. If it smells like gasoline: It probably is! If the smell is coming from under the hood, check around the fuel pump and the fuel injectors — or the carburetor if your vehicle has one. remember when in the water the exhaust runs out underwater and you do not see this. Any thoughts? Sal DiMercurio: posted 06-27-2003 10:19 PM ET (US). My engine is several years old. When fuel is added at the start of the season, these components can fail, causing leaks, fuel level and richness problems, including loading up, plug fouling, and overflowing (which can be very dangerous on a boat). You may even be able to smell the coolant leaking. probably no gas there because if it was filled would not run good,probably not at all. The reverse almost always occurs when the engine is operating. The extra oxygen may come through a leak in the exhaust manifold gasket, an exhaust pipe sealing ring, or a damaged pipe. Drain the Tank If the fuel tank is leaking, you’ll need to empty it quickly to stem the leak. Remember that this was before unleaded gasoline or even possibly an octane rating that was listed at the pumps. This compression ratio means that the outboard is designed to compress the fuel/air mixture at 6 times atmospheric pressure. Is your auto repair shop charging you for check engine light diagnostics on your 2013 Kia Sportage? If so, visit one of our 90 locations nationwide for free 2013 Kia Sportage check engine light analysis. It is often said that for an engine to run you need fuel, air, and spark. Mechanical Fuel Pumps Arm. I can't fine a rebuilt kit and went to a Perkins USA West Coast dealer and they don;t have the rebuilt kit or the a new unit because as they say my turbo is already obsolete. If the problem is the fuel injectors, the engine's difficulty to start is due to the fact that the fuel injectors are leaking when gas is channeled to them. When you start the boat in the spring, remember that all of the oil has drained into the pan and let the engine idle for a minute or two to recirculate everything. The basis for the standard adhered to is the Boat Safety Scheme, designed for inland waterways. Like any automobile or truck, the Ford F-150 encounters common mechanical problems an owner with basic information can detect, fix, or seek expert help if it's complex. A mechanic may easily miss a vacuum leak, they are a pain if it's not obviously loud compared to the rest of the ambient engine noise. I loosened the gas cap to relieve pressure because of the heat on the hot days. ) Leaking fuel tank. If the seat can hold 5 P. Both the F-250 and F-350 Super Duty models have exhaust gas re-circulation (EGR) valves that can leak coolant. LPG cylinder lockers - boat owners must ensure the BSS Examiner can carry out careful checking of the LPG cylinder locker for condition, including the removal of all loose. EGR problems. We followed your advice and want to thank you.