YouTube - how to make a homemade motorized bicycle
thats your anwser but hang on the mount is crap you can use mine if u want first buy a metal plate then drill 2 holes according to where the screws are attached in the muffler.
depending on how thick the plate is you may need longer screws and yep thats pretty much it.. i was wondering if you had any spare working motors please? message back if you do
good luck david.