TS185L Starts and runs, revs fine at idle, won't go over 30MPH
I have a 1974 Suzuki TS185, and I can't seem to get it to accelerate to more than 30MPH.
I have minor choke problems (it probably just needs to be cleaned again), but when I do get my bike started, it runs great. It idles, revs up quickly, runs well, and everything seems to work. In first gear, every thing is fine, it accelerates quickly and is very "peppy". But after second gear, it won't rev above about 3500-4500 RPM, and won't accelerate past 25-30 MPH.
I changed the spark plug, cleaned the fuel system from the fuel cock, to the carb. (and replaced the fuel line), I cleaned the exhaust baffle, and ran a compression test (120 PSI). Everything seemed to check out.
I haven't yet tried timing, but I'm not even sure if that could be it, being that it runs so well in neutral.
Any suggestions, comments, questions, or revelations would be much appreciated.
Ed
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