Help with 09 yz450f top end rebuild

2 replies to this topic
  • charles_guy91

Posted May 17, 2011 - 05:26 PM


So it'll be my first time ever rebuilding a top end on my yz450f and was wondering what the parts list consists of. Rather get some help than tackle it alone. Thanks Guys!

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  • bwf8907

Posted May 17, 2011 - 10:31 PM


its really not all that hard....piston, rings, topend gasket set, flywheel puller if you dont have one, and a cam chain how many hours are on the bike now?

  • charles_guy91

Posted May 18, 2011 - 04:19 AM


Approaching 100. Just got the valves adjusted and i have a slight piston rattle so looking into doing the top end. Rather do the work now than have to do more after something lets go or worst.

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