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Where to find a replacement head?

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I bought a 2012 YZ450F as a winter project. (don't tell my wife but I may keep this one to ride)

I have been looking for a new head for the last month or so. Looking in the usual places. Here in classifieds, eBay and craigslist. Cant seem to find one. Any other places I would be looking?

The head I have dropped a valve 2 hours after rebuild. Picture shows the damage. the lifter pockets are scored up a bit also. The I'll bet it could be repaired but thought it would be cheaper and easier to just get a new one.

There is one in the classifieds section that I'm interested in but the seller seems to have "disappeared"

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Why do you want to replace the head? That head is barely damaged. A competent machine shop could have that fixed up in a hurry and looking new. I wish I still had pics of some of the heads I've had repaired, you'd shit your pants

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Where do you get them repaired? My local guy, who normally does automotive stuff, was afraid to try it.

I found a place called Millennium Technologies. Just the repair was $400. When you add "valve job", guides and valves, I figured it would be cheaper and quicker to find another head like the one that was being sold in the classifieds. Completely redone, asking $750. And then sell the one I have.

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Where do you get them repaired? My local guy, who normally does automotive stuff, was afraid to try it.
I found a place called Millennium Technologies. Just the repair was $400. When you add "valve job", guides and valves, I figured it would be cheaper and quicker to find another head like the one that was being sold in the classifieds. Completely redone, asking $750. And then sell the one I have.


I have a local machine shop (automotive) that has repaired them in much much worse condition for a fraction of millenniums cost.

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Would you be willing to share the contact info. I would like to call them and see if they would do mine. 

You could P.M. the info if you like. 

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