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questions / leaking crank seals?
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[QUOTE="AV8R, post: 1304556, member: 66464"] The premix oil in the bottom of your crank case is going to be dark due to combustion particles and some heat coloring it dark. I think your chasing your tail. If you have a leaky seal on the clutch side, oil in your crank case is not a reliable indicator of that. Lots of grey smoke black oily residue on your plug and a loss of tranny fluid is. Or a significant volume of air leaking by your seal through the tranny vent tube is. Like these guys said it is ideal to have residual oil in the bottom of the crank case. If your pressurizing it past 6 psi, your using too much pressure. It is not neccesary to split the case to replace the crank seal on either side. If the bearings are tight then don't change them until it is needed. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
questions / leaking crank seals?
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