The CM91 was still not idling properly. I replaced the points and condenser, and also tore into the carb again. I’ve reset the float height, but on close inspection the needle and needle jet appeared to be worn. I found NOS parts on eBay to… Read More »New Points and Needle Jet
The semi-automatic clutch was not disengaging during shifts. Upon disassembly, I discovered that the posts were frozen to the basket. The clutch was still able to disengage at idle since there are different mechanisms used. These semi-automatic clutches pack an impressive amount of engineering into… Read More »CM91 Clutch Rebuild