wr400f lose of power

1 reply to this topic
  • faisaldawa

Posted March 19, 2016 - 08:23 AM


Good evening gentlemen 


I was riding my bike in the track with a leaking water pump,, the bike got overheated and suddenly it lost all the power (it feels like i'm dragging ton of stones behind me) with a backfiring !


I took it home changed the water pump seals,, checked the valve clearance, timing chain, piston compression and spark plug every thing was good ! but it still having the problem


what might be wrong with it ??


Thanks in advance

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  • patrick2wd

Posted March 20, 2016 - 03:32 AM


Blown head gasked


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