It's been quite out here...
Well I've desidet that the easies way to get a proper cluth and gears is to get a ready gearbox, but since I'm so cheap and I already got a moped, I'm going to link the B'n's yo the crank of the mopeds engine ad put the hole thing on a bicycle. I've already Put a cogwheel on a crank of a moped engine. I using a moped engine only as a gearbox without the rod or cylinder.. The engine is Puch VZ 50 N that is taken from Tunturi Tiger... I'll try to get some pics...

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"Ask me no question, I'll tell you no lies"
-Oliver Goldsmith (1728-1774)