2008 yz450f valve specs

2 replies to this topic
  • coastlinecascott

Posted December 22, 2015 - 08:10 AM


Does anyone have the valve specs. Im not at home to measure the valves. I looking for the valve stem, head and id of the valve guide. Need both intake and exhaust. Thanks

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  • Treeyz450

Posted December 27, 2015 - 10:11 AM


ImageUploadedByThumper Talk1451239807.022835.jpg ImageUploadedByThumper Talk1451239818.976769.jpg ImageUploadedByThumper Talk1451239831.700353.jpg ImageUploadedByThumper Talk1451239843.654217.jpg ImageUploadedByThumper Talk1451239853.844462.jpg

From my 2008 service manual

  • coastlinecascott

Posted December 27, 2015 - 02:15 PM


I need to buy a manual. I have the engine apart right now waiting on a new piston kit. The head i pulled apart and de carbonized. Valve and valve seats look ok. No cupping yet. Will rebuild the head in another 50 hours. Pretty easy engine to work on.

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