I have noticed a small amount of oil leaking from the cooling intake ports of my 1998 Honda 90-HP after it is in the full up (trailer) position for a few days. If you operate your boat in a wider temperature range, select multi-viscosity oils (e. Common problem on later model 2 cycles. Oil Leak in outboard motor I have a 2003 Suzuki 140 4 stroke and I've kept up with the maintence and have never had a problem until today. Collect a couple of ounces of fluid and immediately retighten the drain. Watch the oil level in the helm pump when the steering wheel reaches either hard over position. B&S V Twin 30 hp commercial engine leaking oil I have a friend with a Scag Freedom Z with a 30 hp Briggs & Stratton V twin with cyclonic air filter that has a oil leak. Shop outboard motor accessories at Bass Pro Shops. When you mix the smallest amount of antifreeze and water with motor oil you end up with a low grade acid that attacks the bearings. Clean the sailboat bottom. what causes the oil to leak from the opening where the oil stack fits in at the bottom as the engine spins? the model number is 917. Like new galvanized trailer with great tires and a spare. And worst of all, engine oil leaks are a fire risk in your engine compartment and can result in catastrophic engine failure at the worst possible time, not that there is a good time for catastrophic engine failure. Can't be a big leak (yet) because over the course of the summer (about 50hrs) I am not seeing any oil in the bilge, just collecting on the front/bottom of. I checked the oil dipstick tube, bone dry, no leaks, checked under the deck, don't really see any fresh oil leaks. Stoped by the lake on the way home to knock a couple of hrs off the break in period. A plastic tie-wrap snugged around the rubber lip usually cures the leak. Engine oil leak- 4 stroke - General Discussion Tolman Skiffs - FishyFish Tolman Alaskan Skiff and Boat Building Forums FishyFish Tolman Alaskan Skiff and Boat Building Forums Welcome, Guest. Help!!Brown tan liquid leaking out of propeller I question if the amount or type of oil was an issue. Lower unit oil smells rotten and is generally thick has a distinct Smell. As Raceman said, look for a loose or split oil filter (especialy if it'a a Fram oil filter :confused: ) or a loose drain plug. It's removed during an oil change to allow your old oil to drain out before the new oil is poured in. I have gear lube on the side of engine and in the bilge. You can see a shiny oil spot where the engine bolt is. This article deals primarily with sailboat leak problems. 1999 Honda Outboard Four Stroke Engine Service Repair Manual Models 130- 1999 Honda 130HP (130 HP) Outboard 4-Stroke 115- 1999 Honda 115HP (115 HP) Outboard 4-Stroke. Heating oil piping leaks in the oil burner supply & return piping: causes & effects of leaks in heating oil supply piping at fittings, valves, or other locations. Followed all rules, never running it above 4K rpms. To troubleshoot the engine, go through a series of checks for specific issues that can occur and fix as needed. Heating oil pipe leaks out (fuel oil leaks), oil piping leaks in (air in the system) are dangerous in several regards, as a leak in oil burner feed piping can cause a puffback or complete loss of heat. The spark is strong and the motor runs great I have done compression tests on the 4 cyl they seem fine but have not done a leak down test. Oil Leaks in Outboard Motors When you turn on your outboard motor in or out of the water, you might notice a small amount of oil dripping out. I replaced the exhaust with EMI's / long risers, bigger oil cooler, and better breathing valve covers. It pumps out 140 horses, yet weighs just 410 pounds ready to rig. Oil Leaks Into the Air Filter in My Briggs & Stratton Lawnmower. The leak seems to be coming from a sensor that is threaded into the block under the front exhaust manifold above the starter. There are no air leaks. On occasions there can be an unexplained increase in the tractor engine oil level. Gear lube would have to defy gravity to leak out that hole, so it has no choice but to be unburnt engine oil draining through the exhaust. Fuel float in the carburetor being stuck in the open position due to gumming (caused by stale fuel) or debris. Oil Leaks in Outboard Motors When you turn on your outboard motor in or out of the water, you might notice a small amount of oil dripping out. Small amounts of water continually collect in the oil from condensation on the cold metal inside the engine in the morning, at a minimum; also any combustion products that get past the piston rings. First, they forgot to seal the exhaust and almost sank my boat. dose of lubrication. Despite the implications of a busted engine, this doesn't often spell disaster. Great for aluminum fishing boats, inflatables, sailboats, or as a kicker, the 8hp and 9. Operating engine at greater than a 15 degree angle. No, it isn’t the same engine as on your lawn mower. If the oil leak is coming from the bottom of the engine, near the base, it is likely because of a problem in the oil tank or oil sump. 7 liter Vortec) with 130,000 miles that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. LOOKS like its coming from behind the bottom pulley, leading me to believe its a front main seal leak. If you operate your boat in consistent temperatures, choose a single-weight oil (e. Motor Oil FAQs Back. Am I overlooking something, or has anyone else encounted s. com as Symptoms of a Bad or Failing Oil Cooler. Pay close attention to where the oil level switch and the oil pump seal against the tank. Our team of boating pros will be glad to guide you on how to maintain and protect your investment. To troubleshoot the engine, go through a series of checks for specific issues that can occur and fix as needed. Most of the time, the problem is something minor and easy to fix. Also it could be the upper vertical DS seals. If the motor runs but won’t raise or lower the drive or outboard engine, check the fluid level first. Then test the boat and adjust the height, if necessary, as high as possible without air entering the pump and causing cavitation (slippage). CarComplaints. com for "Merc BUDDY". DOWNLOAD 20HP (20HP) Outboard Repair Manual Download a 20HP outboard repair manual in seconds. Understanding Two-Stroke Engine Oil. Browse props, boat stabilizers, boat gas tanks, gauges & controls, motor oils & much more at basspro. Frosty Previous Member. This article originally appeared on YourMechanic. Mercury larger engines usually don't leak to bad, if it is pure clean injection oil you may want to take a peak at the clear line between the fuel. If bubbles are noted in those areas, an leak is present in that area. Where can water enter the engine and get into the engine oil? Generally speaking the most likely places would be a blown head gasket or a cracked head, where anti-freeze or water if you only use water in your radiator, can enter. In the long term, it might also save money and repair time for the new owner. On occasions there can be an unexplained increase in the tractor engine oil level. Hi, My oil pan has started leaking from around the drain plug due to some corrosion and needs swapping out, has anyone done this job?, just wondered how many hours to do it and if i can do it without pulling the motor out, also looking for best place to buy a new oil pan, should i just go to volvo or is there other options?, My boat is a 2008 256SSX with 5. No leaks around the oil filter, that's the purpose of running the motor for 5 minutes in the garage or in the water. What is the white milky stuff under my oil cap? What is the white stuff under my oil cap?? You take the cap off of your valve cover to top off your oil or fill the crank case after an oil change and discover to your horror that there is some sort of white milky or creamy stuff coating the underside of the oil cap and down into the filler hole. However, enough information in 25HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 25HP outboard motor and components. - Tiger propellers. White smoke indicates either water vapor from dirty fuel, a water leak into the cylinder or atomized, but completely unburned, fuel. Ready to go fishing 8 hp 4 stroke Honda outboard pull start. When an engine gets an oil leak, the first thing you imagine is that there's a serious problem that is going to be expensive to fix and take hours of work. The fittings on these hoses tend to corrode and leak. Its a older (74) evinrude 85 HP I mix the gas and oil very cautiously and use Pennzoil. [My Mercury outboard engine has] the same problem, and it is killing me. What could possibly cause a MAJOR oil leak in my car. The only cylinder head gasket to use is the standard steel ringed halite gasket. Basically, everything I showed you here is in the manual word for word. Have your engine serviced asap. I put the car up on jack stands to look for the leak. Clean the outside of. If your engine mounts are more than five or six years old, or have been contaminated with seawater, engine oil or coolant, change them. ) Then run the boat over to the marina and top off the gas tanks with non-oxygenated fuel (if available). If you see signs of leaking, it’s best to get an oil leak fix in Livonia at Ralph Thayer Automotive as soon as possible. Great for aluminum fishing boats, inflatables, sailboats, or as a kicker, the 8hp and 9. When you mix the smallest amount of antifreeze and water with motor oil you end up with a low grade acid that attacks the bearings. oil started druelling out the. User Name: Remember Me? Password: Forgot Password? Join Us! Register: Gallery: FAQ: Calendar Events: Search: Today's Posts:. what causes the oil to leak from the opening where the oil stack fits in at the bottom as the engine spins? the model number is 917. Diagnose Your Leak Identifying the COLOR and LOCATION of your leak can help properly diagnose the problem. Not when the engine is down. It feels to thick to be fuel/oil mixture, more like gear oil. First, they forgot to seal the exhaust and almost sank my boat. What is problem and it coust to fix ? Thanks. If the oil is black and has a burnt smell that is as expected. Hello fellow board members, I have a 1997 Aurora which is a daily driver and very enjoyable to drive. checked both the g/box for water contamimation - nil and the eng oil looks fine also. Didn't seem to fix it. Crews clean up oil spill after tugboat sinks at Railway Marina. Look under the hood around the oil filter and the engine and under the vehicle for leaks around the oil drain plug, the crankcase, and the oil pan below it. I got a 40hp Yamaha that's leaking oil. In the long term, it might also save money and repair time for the new owner. 7 liter Vortec) with 130,000 miles that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. I'm running it in my steering, jack plate, and PTT now with no problems. 1999 Honda Outboard Four Stroke Engine Service Repair Manual Models 130- 1999 Honda 130HP (130 HP) Outboard 4-Stroke 115- 1999 Honda 115HP (115 HP) Outboard 4-Stroke. How to Change Your Mercruiser Engine Oil. This is a small and somewhat annoying leak due to the fact it drips onto the exhaust and causes that oil burning smell and sometimes visible smoke coming from the right front side of the car. Man! Now it looks to be leaking from the hose that goes under the engine on the port side of the boat. Outboard engines make the difference between an enjoyable day on the water and a long stretch of rowing your boat back to dock. Always, always refer to your Owner's Manual and put in the recommended oils for your model, the recommended filters. This bacteria eventually eats through engine parts. What is the white milky stuff under my oil cap? What is the white stuff under my oil cap?? You take the cap off of your valve cover to top off your oil or fill the crank case after an oil change and discover to your horror that there is some sort of white milky or creamy stuff coating the underside of the oil cap and down into the filler hole. If there is an oil leak, common sense tells you that it will be under the engine, but it’s not always immediately obvious where your engine is located. If bubbles are noted in those areas, an leak is present in that area. I took off the "air silencer assembly" any was able to tell that the oil was coming from the carburetors (I guess that is the air intake portion of the carbs). Browse props, boat stabilizers, boat gas tanks, gauges & controls, motor oils & much more at basspro. After all the old oil is out, attach the fitting from the pump on to the bottom drain. To confirm the source of the leak, wipe away the oil buildup and run the engine for a short time. Its been sitting for 6 weeks motor upright and when I went to run it up yesterday I noticed an oil seep out of the little plastic intake on the bottom of the leg- enough to trickle down the skeg and form a 50cent drip on the ground. Full Answer. The engine used to spray out a little fuel when it was choking and there was always a little bit of fuel in the channels of the intake covers. com : Car complaints, car problems and defect information. com FREE DELIVERY possible on eligible purchases. 7 liter Vortec) with 130,000 miles that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. No, it isn’t the same engine as on your lawn mower. 5 BMC should be added to the list as they just love marking their spot!. That's definately 2 stroke oil you have leaking, there are a few places i would check. While driving, it will deposit oil onto the area around the oil pressure sensor. Coolant can leak from the water jacket into several parts of the engine. Why does it leak. In a dry sump system, oil is instead pumped to an external reservoir. Looking for a good reliable mechanic in the Twin Cities area. We can prime it by removing the oil filter and turning the engine over back wards with the oil being added to the pump that way. After running on muffs and scoping it out in the yard it appeared to be dripping from the gasket of the fuel pump filter assembly, starboard bottom half of the engine. If you have a motorcycle engine oil leak at any of these locations, your engine may be starved of oil, which can cause major engine damage. Founded by Johnny Morris, the same man who founded Bass Pro Shops, in 1976, Tracker Marine made boating history when he brought the first fully rigged boat, motor and trailer to the boating market. In a wet sump system, oil remains in a reservoir at the bottom of the crankcase, referred to as the oil pan. Restart the engine and check for an oil leak. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 90 horsepower outboard engines were designed primarily for factory service 90 horsepower outboard technicians in a properly equipped shop. There should be evidence of water in the gear lube when you drain it after running it on a boat if there is a gear lube leak. BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for various leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc. Quiets right down as soon as I get it filled up properly. If the motor is running hard enough to plane the boat, water that otherwise cools the oil isn’t splashing on the sump that holds the oil. Posted: Wed Jul 08, 2009 6:34 am Post subject: Re: Oil leak - Bottom of engine covered with oil. The main tank also contains a filter screen, float and three switches that send information to the oil-control unit. Sometimes you won't even see any oil on the engine or ground when this happens. Not when the engine is down. 12 ft v bottom mirro craft. No paperwork comes with the boat. Nice writeup about oil leak diagnosis. outboard boat motor. Several rivets in bottom of boat leak a tiny bit but boat is still water worthy. its not cracked and there is no grooves so no screw is missing. It's not leaking much, but in cleaning the bilge this weekend there was oil around the front/bottom of the oil pan. For our demonstration, we will be using a Snapper SPV21 mower; it is recommended to change this machine’s oil after every 25-50 hours of use. Doing so will ensure the safe operation of your steering system and will any fault/leak will show at this time. Gday guys, I flushed my boat the other day after not running it for about 5 weeks. Oil Pan Leak. 00 in repairs because I sold this product and I believe in the engine. What could possibly cause a MAJOR oil leak in my car. That is going on my new boat. Motor & Transmission Mounts. You can also go to www. We have that covered too. Here are some things to look for while you're searching for the source of the issue:. I got a 40hp Yamaha that's leaking oil. Some oil will begin to trickle out so be sure your oil drain pan is positioned correctly to catch the draining oil. 20ft by 70" across the bottom. Is this normal or something I need to give some attention. Will start it before selling. I have a 14 foot flat bottom boat and trailer for sale. * Wrapped line or Fouled bottom Stop the boat, anchor, and remove the line. If you operate your boat in consistent temperatures, choose a single-weight oil (e. Lucas Oil Products was started in 1989 with the simple philosophy of producing the best line of lubricants and additives available anywhere. boats » General > My motor - leaking oil near lower unit? (with photo) the oil wasn't leaking from there. Before I purchased it, I had a mechanic check the lower unit & oil, he said the lower unit/oil looked fine. The most important part of lower unit maintenance is watching for the telltale signs of an oil leak, both during and after you go boating. First, you want to pour the dye into the oil canister and let the car run for about 10 minutes. The most common site of leaking oil in automobiles is the valve cover gasket. The fuel shut-off valve isn’t closed properly. Many engine gaskets, seals and governor shafts are not designed to handle a pressure, and this will result in an oil leak. Live well with drain. If you've got an oil seal leak in a very inconvenient place, then this video by Scotty Kilmer will show you how a little bottle of re-sealer may be able to fix that leak. Post-accident examination of the engine revealed that the bottom half of the crankshaft seal had slipped forward from its placement, which allowed engine oil to leak from the engine. MARINE ENGINE PARTS. Mercruiser 350 leaking manifolds Does the exhaust manifold have a waterjacket - not too sure of these engines. Understanding Two-Stroke Engine Oil. Some leaks plague certain engines more than others, so it's important to diagnose where your engine is leaking from before you dive into replacing every gasket and seal you can get your gloves on. A broken or missing oil filler cap can also lead to leaks. We help you save hundreds and sometimes thousands of dollars on outboard motors, powerheads, lower units, outdrives, gear cases and more! Warranties available! We also have just about any boating accessory you would want in our online mall. The system check MUST be completed after installation. Be sure that all limber holes are open. This causes the lubricant to lose viscosity , meaning that the films formed are weaker and less capable of withstanding high loads that can occur at certain points, such as the rod bearings and crankshaft areas. do NOT contact me with unsolicited services or offers. Reply 1: You need someone to look at it to see what is causing. After some investigative work I found that it was the feeder line to the small oil cooler under the rad that was leaking. Oil is still drawn in from the bottom of the cylinder but fuel is injected from the top. First, they forgot to seal the exhaust and almost sank my boat. OEM Yamaha F225TXRB Outboard Parts. Having the right tools makes this job much easier. To troubleshoot the engine, go through a series of checks for specific issues that can occur and fix as needed. In any event, something is leaking, and should not be overlooked. StP Engine Oil Stop Leak 300ML. This causes the lubricant to lose viscosity , meaning that the films formed are weaker and less capable of withstanding high loads that can occur at certain points, such as the rod bearings and crankshaft areas. Oil Leaks Into the Air Filter in My Briggs & Stratton Lawnmower. It's always best to treat an oil leak as soon as possible, however, to ensure a larger oil leak doesn't catch you off guard. Lights work on trailer. 1995 mariner 150 So a few weeks ago my outboard was leaking a little black oil from the lower unit "holes". First, let me say that I do not know much about boats, or engines in general. Am I overlooking something, or has anyone else encounted s. new! heal-a-seal tm engine oil leak sealer! the new heal-a-seal tm engine oil sealer - and oil stop leak - is specially designed to stop engine oil leaks anywhere, and on any engine - gasoline or diesel, with any kind of oil, even synthetic types!. Motor is a 1993 40hp Mercury Classic oil injected two stroke. Replacing the intake manifold gasket should correct these leaks. Add a marine fuel stabilizer to the tank and run the boat to a landing. Water in your automobiles engines oil is not good. Coolant Leaks. First, they forgot to seal the exhaust and almost sank my boat. I had checked the bottom of the timing chain cover and the front of the oil pan but did not see any oil coming from those points-but being on plane and engines tilted to stern may cause it to leak. A milky or whitish color in the outboard engine lower unit gear oil indicates a water leak, which can lead to engine stalling or failure. 4 engines are commonly known for intake gasket leaks and the 3. The cap seems to have been engineered without any thought as to how it would be used. Kawasaki 23HP FH680V Oil Leak. This means that if the seals start to leak, seawater will enter the bottom of the saildrive and start turning your oil into mayonnaise. I can't tell where its coming from. The leak is very very slow, but none-the-less still leaking. I cleaned it up and ran the boat for an hour and did not find any new oil. Changing Oil for Your Lower Unit in a Mercury Outboard. The operator should replace the seal and flush the oil to resolve the problem. When it returned to us, this top & bottom end engine rebuild with engine case polishing required 19 hours of labor + parts. I have a 1999 Suburban K1500 (5. Took the boat out this morning fished a couple of hours and as I was drivingthe boat back onto the trailer my motor alarm sounds and I see oil in the water around my trailer. Crews clean up oil spill after tugboat sinks at Railway Marina. The inlet tube is very important: it seals out the dirt and debris that the filter cleans out of the air which the engine brings in. One of the simplest and most practical woodworking projects for many folks to begin with is a birdhouse. If water is mixing with the oil in a V-style engine that has intake manifolds sealed to the block, then the intake manifold water jacket gasket might be leaking into the inside of the engine. They behave like thin oils in cold weather, making it easier to crank the engine. Restart the engine and check for an oil leak. e is leaking alor of oil I need to know asap how to fix. Made of heavy-duty stainless steel. Consult your outboard owner’s manual (which I hope you’ve read, or at least saved somewhere) for the exact oil check routine for your motor, because each brand and model is a little different. Conventional motor oil changes are often prescribed for every 3,000 miles. If you see signs of leaking, it’s best to get an oil leak fix in Livonia at Ralph Thayer Automotive as soon as possible. check oil level 4. A downloadable repair manual is a digitally delivered book of instructions that provides step-by-step maintenance, troubleshooting and repair procedures. Like everyone says, be sure you have an actual gear lube leak, before going crazy ripping into the gearcase. The oil will look dark or black from the carbon during the combustion process, also the engine may feel a bit sluggish since it is pulling in exhaust gases from the leak. This manual should be read in its entirety and the inspection and maintenance. An oil pan is located at the bottom of the engine and is bolted to the block using many bolts and is sealed using a gasket. It speeds up when the engine is hot. check levels and change lower unit oil then keep. It is normal for a small amount of water to accumulate in the. This is a small and somewhat annoying leak due to the fact it drips onto the exhaust and causes that oil burning smell and sometimes visible smoke coming from the right front side of the car. That's lighter than a competitive 130 4-stroke and even a 2-stroke 135!. Here is a simple procedure to follow should you find a leak. If you can do the work yourself i say do it even if you do have the A series engine it lasted 800 hrs like this and if you get 800 more for less than $50 in parts and your time its saves alot of money. Oil is still drawn in from the bottom of the cylinder but fuel is injected from the top. Most new engines shipped today are four-stroke, however, there are still a large number of two-stroke engines on the water. Over the weekend I was able to get down in the engine room with a camera to try and track down the source of an ongoing oil leak from (now) both engines. Mercury Outboard Oil Tank Bracket Base 42888 (B8F-6) oil tank base #42888~Mercury Marnier 1987-1998 65-125 HP outboard motor~694 See more like this. With the boat still in the water, remove the spark arrester from the carburetor and fog the engine (Photo 2). 14ft Starcraft fiberglass boat with trailer. Leaking engine air intake after cooler or intake air heater: Coolant passes into the. MARINE ENGINE PARTS. With oil injection systems, the VRO pump automatically adjusts and mixes the amount of oil required by the engine under different conditions and speeds. your exhaust exits prop a little oil leaking out inside prop not a big deal. One of the most typical signs of oil leak is seeing a puddle of greasy-looking brown liquid under your car, after it has been parked for a while. I got a 40hp Yamaha that's leaking oil. Johnson 235HP Outboard - oil leaking from bottom leg - dark black so picking it is the two stroke oil Motor runs - Clymer EvinrudeJohnson Outboard Shop question Search Fixya Press enter to search. Reminder After all repairs to your leaking gas valve have been completed, remember to change the motor oil and filter. If you operate your boat in consistent temperatures, choose a single-weight oil (e. When end seals do leak, oil runs down behind, or along side, the water pump, and down the back side of the engine, but it usually won't end-up along that outer edge. What about a leak with the inlet valve on the carburetor? The theory being that during storage ,gas leaks by the inlet valve, flowing into the combustion chamber and down into the oil. My 08 X3 N52B30 engine. Crankcase air leak. If you're conscientious about regularly checking and changing your vehicle’s motor oil, you can avoid excessive wear and carbon buildup in the engine’s internal parts. The 2014 Jeep Wrangler has 27 problems reported for oil housing leak. The most recently reported issues are listed below. * Over-sized boat propeller Match the propeller to your engine under normal operating conditions. Loose bolts in the drain pan and can allow oil to slip out, causing leaks. Most of the time, the problem is something minor and easy to fix. Open up an outboard and this—hugely simplified—is what you'll find inside: Fuel burns in the cylinder (or cylinders) to make power. If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some cylinder head work done. A broken or missing oil filler cap can also lead to leaks. How to apply Bottom Paint to an Aluminum Boat. On my 08 Electra Glide Classic I noticed today that I have some oil dripping from my Harley air cleaner. Don't believe the two seals on the drain/fill plugs would do that. Mercruiser 350 leaking manifolds Does the exhaust manifold have a waterjacket - not too sure of these engines. My boat: 242 LS 2012 Last year, I had one of my engine replaced and the dealer did a really poor job of it. It becomes most apparent when the engine is off and tilted forward. If you see signs of leaking, it’s best to get an oil leak fix in Livonia at Ralph Thayer Automotive as soon as possible. Solves the oil leak problem - provides for a better way to add and check oil and provides for a backup in case you loose your cap & dip stick in the water. There's a fuel tank (not shown) inside the case of the motor at the top, big enough to hold perhaps 23 liters (6 gallons) of gas. With the engine running, check for oil leaks around the outside of the sump-pan mounting gasket flange, and also from the drain plug at the bottom of the pan. Save yourself time and money by picking up the right engine repair manual. I found the oil filter very loose and tightened it but there was still a small leak without any run time so I crawled underneath and saw what looks like some rusty fluid on a bolt above the oil filter. I'm hoping that's not my issue as my motor is purring like a kitten. The turbo charger is bolted to/part of the exhaust manifold, and here is where the danger part comes in, when the turbo pipe leaks it sprays oil on to the exhaust. Even if the mounts look perfect, the tough elastomer (rubber-like) material in the engine mount work-hardens over time and ceases to isolate the boat from the engine’s vibrations. Outboard engine lower unit leaks often result from a broken propeller seal. oil started druelling out the. I figured it was just oil that didnt burn off in the motor from revving the motor up while trailering the boat on a steep ramp. Having the right tools makes this job much easier. The oil is black and has an exhaust smell to it. I checked my lower unit oil and its green and a tad milky white, and smells bad. My only hesitation in thinking it is a pan leak is that it only seems to do it when the engine is hot and my pan is clean except on the side by the tranny. change in owners. [My Mercury outboard engine has] the same problem, and it is killing me. It is normal for a small amount of water to accumulate in the. If you have run your motor at low rpm without load in cold weather, it is completely normal that unburned black oil drips out of exhaust or drain holes in lower unit afterwards, almost every two-stroke I've had did that. I have developed an oil leak that must of have happened over the winter. (NOTE: This is assuming what you're seeing is in fact ENGINE oil) There are multiple gaskets and seals that exist on a modern automobile that can provide points of leakage, especially as a car ages. Check for bad hoses or clamps on your exhaust , the exhaust has oil in it and when a hoses leak or the water box wears a hole in it etc the exhaust and water with oil will get in the hull. The most common issue is a bad solenoid on a 3-wire motor or a bad relay on 2- wire motor. On average, be prepared to pay a professional mechanic anywhere from $1,500 to as much as $4,500 for an outboard motor rebuild. Lower unit oil smells rotten and is generally thick has a distinct Smell. While the outboard is tilted, a leaking rubber cap on the main tank can result from improper assembly or from twisting out of place. One of the most typical signs of oil leak is seeing a puddle of greasy-looking brown liquid under your car, after it has been parked for a while. The boat is in good shape and doesn't leak. Common Signs of Oil Leaks. The most common site of leaking oil in automobiles is the valve cover gasket. Look under the hood around the oil filter and the engine and under the vehicle for leaks around the oil drain plug, the crankcase, and the oil pan below it. I know Yamaha came out with the "Speedy sleeve" to correct this issue. Serial Number : To You, Our Customer Thank you for selecting a TOHATSU outboard motor. External leaks can be seen with the naked eye or by using dyes. 00000162 meters^3 Which is equivalent to. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 90 horsepower outboard engines were designed primarily for factory service 90 horsepower outboard technicians in a properly equipped shop. Oil level is correct as long as it appears in the operating range (cross hatched region). It looked like motor oil. No trailer. Oil leaking from the weep hole in the front of the case is most likely a worn shift shaft seal. We have thousands of engine parts for Honda outboard boat motors. What happens if a coolant is leaking from the bottom of the engine? It means you have a problem and luckily, you have had warning, unlike a tire blowing out. i got in bilge yesterday and found this.