You do not have to modify the frame! If you call adding a motor & motor mount a modification then yes you are modifing the bike. Do a search on this forum
You do not have to modify the frame! If you call adding a motor & motor mount a modification then yes you are modifing the bike. Do a search on this forum
Lots of guys have done them with 2 strokes, James65 did a couple beauties. 4strokes are a problem due to keeping the pedals and front crank hitting engine unless it's a hs49