03 yz450f engine noise

5 replies to this topic
  • Mazzeppi11x

Posted March 07, 2009 - 07:46 PM


well i rode my 450 today and i heard a "tinging" from the motor. from idle all the way up. I was also really hard to kick from TDC. what could it be? valve clearances? the motor just had a new top end about 6 riding hours ago.

  • Mazzeppi11x

Posted March 08, 2009 - 08:57 AM



  • YamahaYZ426F

Posted March 08, 2009 - 09:01 AM


I say check the Vavles.

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  • kawasakimx8

Posted March 08, 2009 - 11:11 AM


yea, check the valves, or MIGHT HAVE jumped time by 1 tooth.

  • TIG88

Posted March 08, 2009 - 01:32 PM


did you notice any loss of power?

  • Mazzeppi11x

Posted March 08, 2009 - 10:45 PM


no loss in power at all, i checked the clearances and the timing seems ok. maybe it was just pinging.

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