rpm

  1. Lowering RPMs for speeds >55 mph on 1980 CM200T

    New member on this forum and amazed by the pooled knowledge here. I'm a returning rider after a 40 year hiatus, looking for experience and advisability on adding one tooth on the drive sprocket of my 1980 CM200T. The idea of replacing the 15 T stock sprocket to 16 T is to lower RPMs at speeds...

  2. 93 Nighthawk 250 rattle/buzz Diagnosis?

    Hey everyone, I have a Nighthawk 250 rattle/buzz that I'm having a hard time diagnosing. Here's the info: 1993 Nighthawk 250, 28,000 miles, owned for 5 years Has been modified, after being rear ended while stopped (the end of the frame was bent so I chopped it off, added a hoop, custom seat...
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