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2006 YZ 450F head question

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I recently lost the Head on my yz450f and would like to put it back together.



I have read many options for replacements such as


2006-09 yz450f head

2007-10 wr 450 head

Yfz 450 (quad) unsure what years.


Anyone with a little more knowledge point me in the right direction

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The 06 thru 09 yz heads are bolt on. The 07 thru 11 WR450 should also fit it has the air injection port that can be plugged or epoxied shut. The 11 thru 15 WR450 may even fit it is a five valve also first year of fuel injection. I would check the intake manifold though. 

Many of the heads had some different porting but it should run fine with any of the different ports. 

You may even pick up a factory Yamaha GYTR ported head reasonably. It comes equipped with everything including GYTR cams. 

Edited by stevethe

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