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Oil Pump Questions '03 yz450

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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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