Use a handheld UV light and wear a pair of glasses with yellow frames so you’re able to see the trace dye under the UV light even better. I have checked all of the drain plugs and they are secure. I'v also got an '06 that leaks a small bit of oil. See the picture. If the engine is not running the only places it can leak 2 stroke oil from is the Oiltank, Oil line to the Oilpump, and the Oilpump it self. Where could this be coming from? If the pan is damaged or if the gasket fails it can leak oil around the pan itself. since I got the bike ( with 1000 mile)I had a small oil leak on the right side of the engine, around the oil gauge. Common Oil Leak #7 – 7.3 Powerstroke Oil Leak in the Valley. I know there is oil leaking from the crankcase. An engine gasket is a seal that ensures that lubricants do not leak. Sprayed a can of engine degreaser and did lots cleaning until every nook and cranny was completely dry. In most cases, you will leak motor oil. When I had the cover off, I cleaned the old gasket off and picked up a brand new OEM gasket from a local dealer. When there is a break in the gasket, you will begin to lose vehicle fluids. If it's a gasket then replace the gasket. Then fill aprox 900ml oil in engine. The valley sits on top of the engine block behind the HPOP and ahead of the turbo pedestal. All older Harleys and some new ones locate the oil in a tank that is higher than the bottom of the engine cases. chopper motorcycle image by itsallgood from Fotolia.com Harley-Davidson motorcycles use a chain-driven primary system to transmit power from the engine sprocket to the clutch housing. The oil is leaking off of a green plastic gasket that is sticking slightly out between the engine. An oil leak can be caused by one of four problems. This oil pan is designed to collect oil into a centralized area allowing the oil pump to re-circulate it back into the engine. Harleys are dry-sump bikes, meaning the oil is stored remotely and pumped in. There was some build up of oil on the rear shock and other parts of the bike that indicated that this was happening for a while. that sounds crazy, but i traced it up the air intake system to the box under the gas tank that directs the air to the two carbs. This mismatch causes excess oil to be removed from the exhaust. Suitable highway motorbike for a new rider? Oil Pan Leak. Pictures would probably be helpful. I just replaced my stator cover gasket, after doing some work in there, and now I have an oil leak. ... i would take it to a dealer for service chances are the leak and the backfire are unrelated. Generally, the percentage thereof should be 2% but it is best that you consult the manual of your bike to check. The crankcase breather should go to the air box, where the blow-by gases can be pulled into the engine again for burning; any oil mist in the vapors will condense and go out a drain in the bottom. Replacing the leaking seal or gasket in some cases is necessary, but often times can be overkill. I had not noticed it before because there are no oil spots on my garage floor where I park my bike. I just happened to be looking at the undercarriage and noticed some partially dried oil. It will be damaged over time as debris hits the bottom of the pan and leaves dents. The most common cause of an oil leak is due to a degraded engine gasket. I cant quite figure out where it is coming from other than the seem that runs the length of the engine. 100 cs: motorcycle..bike..1000 mile)I had a small oil leak..oil gauge I have a custom build motorcycle with a ultima 100 ci engine. Iv never worked with a motorcycle engine or a carbureted engine. While removing engine oil please wait for 10-15 min. Some of the bolts were loose on the side so I tightened them a little. Oil sometimes gets into the airbox, so there is a tube that drains the oil back to the cylinder head. Ok I found the leak. It does have a decent oil leak. FYI -- I was giving my bike a quick once over and I noticed some oil was leaking from the 8mm bolts for the engine covers. So, I've noticed that my 2012 CC seems to leak oil from a spot on the engine case. Clean the engine with a rag and degreaser before searching for the oil leak. Refrigerant leaks and oil-based fluid leaks require different types of dye. Clean the bottom of the engine then let the bike idle up to operating temp until you can see the oil begin leaking. My bike has the exact same leak and has been at the dealer now for 2 weeks as well as a battery that wont hold a charge .At first I thought it was a loose drain plug till I realized that the oil was coming from higher up .They called to tell me that the claim was put in and that was that . The oil blew everywhere while riding, making the source difficult to find. If it has too much oil, some of the excess will be ejected this way, especially when running hard. Depending on the type of vehicle you have, the engine that is in it and the location of the oil leak, repair costs can range from as little as $150 to as much as $1200. leaking oil from bottom of engine it hard to tell where its coming from its not the oil filter it a little higher in the back leaking on to bottom of exhaust and it back fires a little?? I HAVE ENGINE OIL LEAKING FROM THE BOTTOM OF MY ENGINE ON MY 2000 POLARIS XCR SNOWMOBILE. I apologize if these may be simple or dumb questions. The good news is there is often another solution to repair your engine oil leak. You will need to undertake a thorough inspection of the vehicle to locate the precise source of the leak. I'm currently running Castrol 10W40 motorcycle oil in it. So I took off the bottom faring and saw that there had been oil spraying from the engine, the bottom right hand side, perhaps at some seal or something, towards the back. Had to keep adding additional break-in oil, which was leaking out and coating much of the engine (blown by the fan). Each time I clean it off and go for a short ride it comes back with a very small smear of oil. Well, I had a small oil leak at the oil cooler on my 240D after the rebuild, and of course I was so excited to get it running that I ran it a couple of times to work and back (enough to get through the initial break-in oil period). I don't have my bike with me but I'll get a picture of the leak spot to post. He mentioned that they have seen a few of these on the 111 recently. There are different UV leak detection kits based on the type of leak you're dealing with. It doesn't leak when the engine is off, only when it is running. Step 2 - Inspection. First guess is it had too much oil. 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