yz400 oil leak

2 replies to this topic
  • razornpc

Posted September 18, 2007 - 11:48 AM


ok, well my old 400 is leaking oil from somewhere. im thinking its the seal where the clutch rod goes in to the case. or it might be a copper ring for a banjo fitting. the fittings are tight so im thinking that is the seal but i cannt get it to leak unless im riding but then it gets all over and i cannt tell.

anyways if theres any common stuff id like to hear about it

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  • tom nolan

Posted September 19, 2007 - 07:05 AM


anytime you remove the banjo fittings for whatever reason, replace the copper washers. They only seem to seal properly one time.

  • razornpc

Posted September 20, 2007 - 05:41 AM


yep its the copper washer on top. much better then the seal.

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