Originally Posted by xr400r
I don't understand the benefit of 50cc.....why not just make a 450, a 500.
I thought E3 was open class......
I never understood that either but its probably 510cc like the 530. Why not call it a 510? Beats me. Then there are all the factory BB kits 570 etc. Why not make it a 570cc like the Husa and get a true BB?