Why is my Yanmar diesel engine (marine) have a dirty, oily exhaust?
I have a “sailboat 28 Oy 1979. Our Yanmar diesel produce a dirty, greasy, but not a smoke exhaust. Our mirror is dirty almost immediately. I removed the exhaust and water is very dirty as well and I do my best to degrease. Suggestions? Simple Green is your friend, is biodegradable, so you do not worry about killing the fish. Seals are suspects in this case. If it is a ring, you will find what you are doing the engine oil Diesel and fled to contaminate oil rings in the case. The oil enters the top of the cylinder intake valves are likely to be diluted with diesel fuel injected and burned. This largly sheets attached guide to escape the suspect oil in the exhaust manifold seals in and out of your exhaust pipe leakage across the board. Diesel is expected to last about 20,000 hours of operation. Depending on how they are operated and maintained, some last longer and some do not have the mark (in both directions usually well out of warranty before it starts to problems.) Given the productio
