Footballfan2010
New member
We got an rm 125 that seems to be missing bad, whenyou accelerate it seems to take a while to get to the powerband and sort of pops and farts when your in the powerband. it is reasnobly slow when accelerating also. what is the cause for this missing. Ive cleaned the carb and fitted a new prox piston kit about 3 hours racing ago