High torque when engine is at the low speed,climbing strong,reliable performance.
Optimize the balance of crankshaft, little vibration. simplicity and convenience the operation.
large oil pump capacity make the engine working more reliable.
Degassing valve structure for intake valve and exhaust valve, eliminate the influence of carbon deposition, and make the engine working more reliable.
Add pressure relief valve structure,which makes the start more relax.
Providing more different types of left & right cover for customer choices.