yz450f main bearing removal

3 replies to this topic
  • adski01

Posted November 10, 2009 - 10:33 PM


hey guys, i am currently rebuilding my 06 yz450f, i am a little stuck however, i have the cases appart and the crank out, but the main bearings are held in with a sort of bracket with 2 screws that look to be punched in, on an out side edge, and this will not allow them to be unscrewed.. i am abit confused as how to proceed.... any help would be appreciated cheers

  • Apple

Posted November 10, 2009 - 11:03 PM


You need to drill out the punched spots, being carefull not to drill into the cases. That`ll make em a little easier to get out.

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  • wrxed

Posted November 11, 2009 - 04:49 PM


Here's a link to dirtbike world where a guy rebuilding a wr250f gets the plate out.


  • adski01

Posted November 11, 2009 - 06:17 PM


ok thanks guys that helps heaps... cheers


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