Posted January 1, 200619 yr Odd problem: I have a 2004 YFZ 450, recently I changed the oil and filter and now the oil is being pumped into the motor too fast and filling crank case and sucking reservior tank dry. Any suggestions as to what is or is not working pro perly? I have racked my brain out trying to figure out this odd problem.
January 5, 200619 yr Admin Sounds really stupid i know but thought i would check, did you use the recommended oil and filter?
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