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Montana-Snipe

YZ450F oil in airbox

3 posts in this topic

any ideas what could possibly lead to this, I was thinking of valve guide seals, bad rings or valve seats?

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Hey, CRF450XNut!!!

What year is your 450? Is your crankcase breather routed back to the airbox? Would there be any chance that maybe you over-oiled your air filter (is the oil in the box the same color as your air filter oil?)?

Jimmie

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