High power, torque in low and middle speed, better acceleration and climb capability.

Better transmission ratio, reduce piston and cylinder load, lubrication oil twice filter,

higher reliability.

Advanced pressure relief valve, starting easy.

Inner balance shaft, noiseless timing chain, engine running more steady, low noise.

Combustion chamber arch shape, more complete combust.

Special for ATV UTV GO-CAR.

D/P/R three transmission system, more reliable.