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.