Originally Posted by Amber Gramps

This is my daughter that is now in Mexico City learning Spanish. My brother and I built an ATC 70 into a monster 88cc bike with EVERYTHING available at the time. Carb, pipe, head, cam, cylinder, piston, etc. New sprockets, rims, tires, chain, etc......MONSTER that is even plenty strong enough for me to ride. The only thing I'd change now is the next set of tires will be flat tracks.

Originally Posted by rusnak

That's awesome! She needs to stand on the foot pegs and kick the rear out with the throttle, haha! You can do that with knobbies, but you need bhp and finesse. I contend that dirt tracks are great for learning how to drive a 911.

Originally Posted by rusnak

I usually shoot for a faint clunk when you grab the tire and push and pull it left to right. Too much tightening on the spindle nut, and the bearing rollers will burn. I leave a bit of margin for safety.