Create a engine only use for 3-wheels which base on the normal CG engine, great power.  Use filter to clean the engine oil twice, to confirm the oil clean and improve the use date  of the engine.

Use big power inlet pipe of low speed, use for 3-wheels.  Use widely wheels, increase the strengs and power.

Use several clutch of 6 oil ways and 7 pieces, to confilrm the safe of heavy pack.

Use big pump, increase the in and let way, increase the pump power, confirm the cool  power.

Use stronger 3-wheels transmission system and big start stator, confirm the one kick  start and more safe.

Use professional piston, piston ring, confirm the safe.

The middle power engine use the water cooled technology, solve the problem of main  parts break and cool difficult, increase the life of use.