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I was thinking of putting lights on my son's Chinese pitty. The bike never came with them but the stator has the coils there for it- two yellow wires in this case. (it's a 6 pole stator). I've got a 5 pin regulator but no idea what the wiring is meant to be on it- I would love to use it- has...

So I bought a big wheel 140 pit bike for my son... at a seized vehicle auction... No idea if it ran- and it didn't! Broken kickstart. Which turned out to be a broken gearbox shaft- apparently pretty typical of these Zongshen/YX style 140's. It had also completely destroyed the gearbox bearing...

Alrighty. Here goes. This is for a Zongshen 140 kickstart only motor. This is a bike I've got no history on, so don't know if it ever ran with this setup. Doesn't look like it's been changed about but you never know. It runs terribly, popping and misfiring at idle with very occasional...

Not sure if this is out there or not but thought I'd share. I'm fixing the motor in my son's bike (broken gearbox output shaft at the kickstart idle gear end) and the gearbox for this Jongshen 140 turns out to be identical to the yx150/160 gearbox internals. There you go. Hope it helps...

Hi there! I've recently bought a cheapo pit bike at auction for my son and am going through the usual things to fix before he can get out there and try it out (not working kick start turned out to be a broken gearbox shaft- DOH!) Anyway, any ideas what it is and more to the point which...