07 RM 85 Bog??????

Affliction313

PR Member
My son has RM 85 this saturday he was riding on the track and it just bogged down and died on him. I thought he ran it outta fuel but it was fine.....so i started it up again and it fired right up but would not clean out and when i would snap the throttle it would rev up but not clean out and then it would just die......the compression seems good as i just rebuilt at the end of last yr and maybe has 3 hrs on it. I have not had the time to tear apart yet.....but i am thinking a reed broke or the power valve is sticking......just seeing if anyone else may have any suggestions or am i heading down the right path.



thanx
 
Could be a number of things fouled plug, Bad coil or or other ignition issue. Plugged up exhaust system, They can get literally saturated with oil and deposits. Bad crankshaft seal(s)...
 
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