Oil Pump Questions '03 yz450

1 reply to this topic
  • chub100

Posted December 04, 2008 - 09:30 AM


I'm trying to help out a friend with an '03 yz450.

The Kicker bound up and broke the kicker shaft, somehow the idle gear that drives the oil pump also broke. I think some parts from the kicker found there way down to the oil pump gear.

How much resistance should there be to turn the oil pump by hand ?

I can turn it by hand but it takes a little bit of muscle, Is this normal ?


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  • grayracer513

Posted December 04, 2008 - 11:27 PM


No, it's not. If loosening and retightening doesn't do it, the shaft is probably bent.

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