racing

Okay so i sent my cylinder off to get bored 40 over after i blew my blaster. but while i have everything tore down what other things do i have to do for the build as far as jetting it correctly? also what all can i do for power? new reeds, exhaust, head work, lightened flywheel? What is gonna...

Ok in my area hoosier tires are like finding a dinosaur egg!! But I found two back tires but there 10 inch in diameter will that larger wheel size effect much on performance