I second this. I was dikin' around with a dead battery for a while and could not figure out why I was having such trouble. Even with the kick start, these guys won't start without a good battery. After a lengthy charge, the bike starts on the second or third kick every time!
The 90 is running. All brakes replaced, rear foot pegs, front foot pegs, did some re-wiring, painted all the plastic as recommended on the Beatrice site with some rattle can gray, took two links out of the chain and replaced the rear sprocket. Replaced all the cables and cleaned the throttle...