first bike

Joined
Nov 25, 2003
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#1
can anyone help me with my bike int around a 90 rm 125 it boggs b4 band and then first and second gear werks ok in the band then after that the all cut in and out like sputtering in the band?
i put a new plug in still didnt help
 

Chili

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Joined
Apr 9, 2002
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#3
Start with the carb. Remove it and disassemble and give everything a good soak in carb cleaner. I had similar symptoms on my old RM and I found the main jet was partially clogged when I bought it.