High power in the mid / low speed, with the good performance in acceieration and  climbing.

Optimize transmission rate, decreasing the loading for piston and cylinder, The OSF can  length the using life.

Pressure reducing valve with the good function, makes start easily.

Inner set balance shaft and silence timing chain make the engine with low vibration.  Bburning room designed as a arch space, makes the buming completely.

Shaft driven in both front and reat, which makes the climbing capacity higher. 

Water cooler and oil cooler are with big tank, makes the cooling well.  Two way start.

Used for ATV