raptor34 Posted October 1, 2006 Report Posted October 1, 2006 I am wanting to put a street bike motor into my raptor, I want something that will be competative with some of the hopped up 'shees, namely my buddys 421 what kind of a motor will i need, i know a hayabusa and gsx-r 1000 will fit, but do i need something that big and expensive to keep up with the 'shees? Quote
locogato11283 Posted October 2, 2006 Report Posted October 2, 2006 ive got a 600rr motor in my raptor and my bros 421 cub motor will spank it pretty bad in a drag race. youre gonna need a lot of power, traction and a lot less weight to whoop on 421 cubs.. Quote
fast500#12 Posted October 2, 2006 Report Posted October 2, 2006 nothing smaller than 1000. a street bike motor has a crappy weight to power ratio especially under a litter. Quote
The Faster Cracker Posted October 3, 2006 Report Posted October 3, 2006 a new GSXR 1000 will do 104 in first gear. its a strong motor. i would not go under a liter nmotor either. let me know how it turns out Quote
Gnasty Posted October 3, 2006 Report Posted October 3, 2006 ive got a 600rr motor in my raptor and my bros 421 cub motor will spank it pretty bad in a drag race. youre gonna need a lot of power, traction and a lot less weight to whoop on 421 cubs.. that is a badass setup. do you get traction? Quote
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