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Post by kx104 on Jun 3, 2009 17:00:53 GMT -6
i recently put in a new piston set in my 250 and the oil has been fine the last 2 times i changed it but this time it wsas like a white creamy color , if it was from the water and radiator fluid wouldnt my radiotor fluid be low? cause its the exact same as it always is.....
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Post by Daniel1988 on Jun 3, 2009 17:36:53 GMT -6
This is almost always the water pump seal, it may not look like you have lost much coolant, but I can almost guarantee that's what it is. What bike is it, a 2t or 4 t? If it's a 4T it could be the head or base gasket since it shares motor oil with tranny.
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Post by crf26 on Jun 3, 2009 19:09:15 GMT -6
not a honda
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Post by F.O.G. Racing on Jun 3, 2009 20:09:08 GMT -6
daniel is right. water in the oil. doesnt take much to make the oil creamy.
if its a 2 stroke it probably is the water pump seal. very common.
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Post by cyclepop on Jun 4, 2009 3:54:06 GMT -6
Could be a leak in the head gasket as well. If you have the means do a leak down test.
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Post by kx104 on Jun 4, 2009 8:15:52 GMT -6
its a 250 2 stroke, i just took the water pump cover of and it has like some liqid rust in it. does this mean anything?
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Post by cyclepop on Jun 4, 2009 10:26:26 GMT -6
Not good, that rust probably tore up the seal. Flush the system real good, replace the seal and retest. You most likely found your problem.
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Post by kx104 on Jun 4, 2009 12:01:59 GMT -6
thanks, i found the pretty much melted seal
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Post by Daniel1988 on Jun 4, 2009 13:23:02 GMT -6
Check out the water pump shaft where the seal rides on it too. I've done a couple quads where they needed replaced, haven't had to replace one on a bike though.
Anyway yay you found your problem, I have a KDX200 that I need to do this too. It's been sitting over a year lol.
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