1 reply to this topic
  • YZ450F4

Posted July 31, 2011 - 11:46 AM


what is the difference between the 2004 and 2005 and 2006 yz450f cylinders(jugs)?

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  • grayracer513

Posted July 31, 2011 - 11:54 AM


'06 and later route the top end oil supply through the cylinder internally. '05 and earlier need the external oil manifold. The bolt and gasket pattern is also different.

'03-'05 YZ450F, & '03-'06 WR450F interchange.

'06-'09 YZ450F, '07 and later WR450F, and '09 and later YFZ450 Quads interchange.

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