03 yz450f head gasket


2 replies to this topic
  • yz165rider

Posted November 29, 2004 - 02:29 PM

#1

This past weekend my bike locked up while riding. After looking the bike over, I can see that the "half-moom" shaped seal on the cam gear side of the head gasket is missing. I didn't lose any oil. Has anyone seen this before?

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  • yz426onNOS

Posted November 29, 2004 - 07:37 PM

#2

Yeah your crancase vent tube is either pinched or blocked and the pressure blew it out. I don't know if you have the decompression plug in that bike or not. If you do your lucky it did not blow out. Plus you probably seized something in the top end for it to lock up like that.

  • yz165rider

Posted November 30, 2004 - 08:12 AM

#3

Thanks for the info, I'll be taking the top end off later this week. :cry:





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