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VprDrvr

99WR400 in need of new head

6 posts in this topic

My 99 WR400 is in need of a new head. Anyone have parts from a WR400, WR426, YZ400, or YZ426? I'm told the head is interchangeable.

Thanks for your help.

I posted this in the for-sale forum as well, but thought I might have better results here. Anyone ever get any repair work on the cylinder head? Thanks,

Keith

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My head just came back from ED. Work is great.

He opened intake cam journals.

Valve job.

Cleaned ports.

Other than the fact that it took a while and the exhaust valves were set .03 loose, a good experience.

My compression is way up and the bike runs great. I'm reluctant to change to YZ timing now. It explodes off the bottom. Lean back in 4th, grap a hanfull and straight up she goes!!

Yeah!

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Just got mine back from Edco as well. They turned it in less than a week. I didn't think it was repairable because a broken valve did alot of damage, but it looks real nice. I haven't got it going yet because I discovered the cylinder was damaged as well, got one on order. However, I anticipate that the head will perform well.

x2

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