Originally Posted by Mike B
Make a rack for the back and put the motor right on top.
Put a some friction material on the shaft (at least 3" dia.) and drive the side of the tire.
You will go real fast and wear out tires quick.
Probabley hurt yourself real bad.
I wouldn't do it if I was you.
and don't forget get A LOT of flat tires. Friction drives are a waste also if it rains or play in the dirt, it's going to slip like crazy.