Special Design on crankshaft, piston, camshaft, clutch, magnetor as the racer motorcycle, increase the explosive force.
Clutch made of multi-plate anti-friction material, it is easy with the
centrifugal function.
Lighten piston with oil ring, make the lubrication better.
Increase the seal part for valve, make the air-intake & output more
efficient, increase the power.
Spare parts is easy exchange.
