'04 WR450F-Busted Case

5 replies to this topic
  • Oouthere

Posted March 04, 2005 - 09:26 AM


Well, I thought they were bullet proof until my last ride. The top of my left case is cracked on the top, next to a bolt housing. There doesn't seem to be any leakage so it may not go all the way through.

Not fixing this until there's actually a reason. Oh well, it's still a good running bike!


  • Oouthere

Posted March 04, 2005 - 09:27 AM


.....I'm racing tomorrow so I hope she holds up!


  • endurodog

Posted March 04, 2005 - 11:30 AM


Are you sure it's a new crack and not an old casting mark? Those things, casting marks, have scared me several times into thinking I had a major problem.

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  • Oouthere

Posted March 04, 2005 - 12:01 PM


I'm pretty definite it's a crack, about a $200 crack (part #18 on the on-line viewer). It doesn't seem to be in a place that'll effect anything as there are no fluids leaking plus the oil and filter looked normal when it was changed last night.


  • ncmountainman

Posted March 04, 2005 - 12:36 PM


why not tig weld it? that side case on the left is aluminum not magnesium,i know for sure because i welded the hole shut where my starter used to be :)

  • afi

Posted February 19, 2006 - 12:45 AM


got the same thing last ride at the same spot you mentioned, but no leakage , yet will there be any . very upset ....


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