High torque when engine is at the low speed,climbing  strong,reliable performance.

Simplicity and convenience the operation.

Large oil pump capacity make the engine work more  reliable.

Improve air intake efficiency of engine, make the better

performance and work more reliable.

Add pressure relief valve structure,which makes the  start to become more easy.

The built-in reverse gear, framework becomes more  compacted.

Providing more different types of left & right cover for  customer choices.