oh, you should already modded your stock head to bigger valve or buy a new head with bigger valve Sir.with that 65mm block it needs inside modifications like balanced crank, stiffer valve spring, bigger carb, bigger valve size, etc. i'm not a mechanic but that's just a usual conversation to do Sir.
oh, you should already modded your stock head to bigger valve or buy a new head with bigger valve Sir.with that 65mm block it needs inside modifications like balanced crank, stiffer valve spring, bigger carb, bigger valve size, etc. i'm not a mechanic but that's just a usual conversation to do Sir.