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.
