Sprocket shaft seal.

3 replies to this topic
  • gildnernorth101

Posted July 12, 2011 - 05:33 PM


2006 yz 450. The case doesnt have to be split to replace this seal like on the 2 strokes does it?

  • MANIAC998

Posted July 13, 2011 - 03:58 AM


Not on my '06 WR anyhow. I just did mine last weekend. Pull the countershaft sprocket, remove two bolts & the spacer, and pull the seal. Replace the seal along with the o-ring inside the spacer and your leak should be fixed. Maniac

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  • GCannon

Posted July 13, 2011 - 08:12 AM


Make sure your tranny bearing is good. if your chain has been run too tight it could have an issue.

  • gildnernorth101

Posted July 14, 2011 - 05:29 PM


Thanks guys


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