2 replies to this topic
  • R

Posted August 26, 2002 - 05:46 AM


i replaced the 3 intake valves of my wr 400-99
and also the timing chain .now i have backfires
when i am living the gas throthle .i have also pro circut pipe include header

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  • Chris_from_Oz

Posted August 26, 2002 - 06:03 AM


Hi, re-check your timing, and also valve clearances. If your bike ran OK before the repairs, the problem must be there, good luck.

  • R

Posted August 29, 2002 - 09:36 PM


thanks chris
tomorow i will take the bike to my mechanical


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