I have a 2003 rm 125 with no power band. when i ride it and get past half throttle it just bogs down. i cleaned the carb, changed the main jet to a 400...it was at 450 but was running to rich, checked the piston and rings and they were fine. i checked the reeds and one had a small chip missing in the corner so i replaced the reeds and its still doing this. what is the problem
Scatter gun approach > thoughts to check out > > >
Clean and dry the air filter? Go back to a stock main jet, at least to check things out? Are "O" ring seals on the main jet going bad?Partial internal collapse in exhaust (remove exhaust pipe & do a quick run down the alley), Install a new stock NGK spark plug, Be sure battery connections are clean and tight, Be sure intake manifold and carb are good and tight.
Hope this helps!
I have a suzuki rm 12. has a new top and bottom carbs been cleanled engain is stock bore. New clutch. bike starts and runs firts kick run good from 1-6 run good and sounds good just a real lack of power. And stock exaust. If anyone could help me that would be great.
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