yfz450

[yfz450foxracing]

hello everyone

i was wonder if it would ok to make my yfz450 into a yfz470 i was told if i make it into a yfz535 that my motor would blow up and stuff and i was told it was better to make it a yfz470 that i would have that much promables with well write me back and let me know what ya think

[mitchyfz]

my friends yfz478 doesnt do anthing to a 06 yfz if i was to bore her out go big or go home
go with a bigger max power kit there stronger cylinders and run cooler because of the larger water capacity,