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ThumperKid250F

03-05 head on a 2006?

2 posts in this topic

hey guys been a while since im on here but I was just wondering if a 03 to 05 head will work on a 2006 yz 450. I no the exhaust is different but that's not a big deal.   so can you interchange these? or would you need to swap out the cylinder too?

thanks guys

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Nope. Starting with '06, the top end oiling was moved from the external oil manifold the '03-'05 used to internal passages. The older head does not have these, and won't work, even if it bolts on.

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