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Creamy oil?

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surfish95747

Creamy oil?

Hey guys, I apologize for so many posts with so many questions, but I am learning so so much. I appreciate your guys answer and knowledge.

Okay, I pulled off the left side engine cover and on the back side of the cover was this creamy white oil. Is this normal or not? I am using Shell Rotella T oil. Before I took the engine apart I drained the oil and what came out the drain was normal blackish oil. Is this something to be concerned about? Thanks guys. My machine is SO close to being up and running again thanks to you all!

1980 cb750k

TOOLS1

Re: Creamy oil?

Administrator

For some reason that is normal on the DOHC engines.
TOOLS

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surfish95747

Re: Creamy oil?

Well, that is interesting. Thanks Tools.

1980 cb750k

18Bravo

Re: Creamy oil?

For a car (and my '71 Cougar immediatel comes to mind) it usually indicates a blown head gasket, and water getting into your oil. So how does water get into an air cooled bike? Possibly blown gasket and water has gotten in through pressure washing, but I'll assume you wouldn't do that. My guess is that condensation is the more likely culprit. When you get it going again, take longer trips to burn it off.

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surfish95747

Re: Creamy oil?

Well that was the first thought that came to mind, whenever I see this with a water cooled engine, I go to the head gaskets. However, like you said, I don't power wash the engine. I know a year ago when I was cleaning the gas tank of rust I had a vinegar salt water mix in the gas tank and foolishly had it sitting in place on the frame. I had the carburetors off at the time and forgot to cover the intake holes. Well, the vinegar/salt mix ate away at the old aluminum petcock and it fell right out of the gas tank bung. Well, this dump a ton of vinegar and water and I don't know if any got in the #1 intake hole or not. It was situated just above and a little behind the intake hole. I ran it all last year and, besides the low compression it ran great. So I don't know if this is from that or if it is normal. Sounds like it is normal though.

1980 cb750k