my m8s got a 58 plate 50cc 4stroke orion japenese import thing . n e 1 no of n e restrictions on these engines or if there r n e sites for upgrades ??? the bike is just TOO slow and dangerous
the main restriction is the shit quality. i think its the same setup as a c90, drop a c90 lump in it, 3 speed semi-auto, will pull 55mph