Can anyone tell me why my oil is disappearing? I laid it down a few weeks back but it wasn't a very bad wreck the bike is in great running condition, but my oil is disappearing. I thought it was my water pump because I saw a little water in the oil. I replaced the water pump and flushed out engine and water system. I got everything back together Now my oil is disappearing, I know its not my water pump now its has to be something else and I don't what it is causing it to do that. Oil was at top full mark in sight glass ran it for about 10 min and literally the oil is not even visible in the sight glass anymore, oil doesn't appear to be milky, its just going some where. I'm at a loss. Thanks guys.

 

I have an idea of what it might be. The crank case pressure is rising higher than then cooling system pressure. Pushing the oil into the cooling system through the water pump. I have to take apart AGAIN to test this theory. Now just have to now find out why the crank case pressure is getting to high. I think that it is the Air Switching Valve or the Air Suction Valve, have to take apart and test. I read in the service manual that the Air Switching Valve is very sensitive to shock and will damage it. I don't think its a head gasket, the bike runs excellent, no signs of a blown head gasket. If anybody has any other ideas please don't hesitate to let me know or confirm my analysis. thanx guys.