The special piston increases the head volume, increases the engine compression ratio and improves the engine power output; Add micro-arc oxidation treatment on the head to improve the service life of the piston (CG150-A/175-A)；
Micro-arc oxidation of the special piston head can provide heat insulation and improve the service life of the piston (CG200-A/CG250-A)
With five springs and six discs, widened friction discs and spring damping, the service life is greatly increased (CG150-A)；
The use of six springs and six columns makes its combination more stable, wear-resistant, and significantly increases its service life (CG175-A);
With six springs and six columns and thickened teeth, the combination is more stable and wear-resistant, and the service life is greatly increased (CG200-A/CG250-A);
Adopt stainless steel split push rod to effectively reduce the noise of cylinder head (CG250-A/CG175-A/CG200-A);
KU fine needle roller, widened connecting rod, stronger bearing capacity and improved engine reliability (CG175-A);
With KU fine needle roller, the bearing capacity is stronger and the engine reliability is improved (CG200-A)；
Adopt KU high-quality products to enlarge needle roller bearing, widen connecting rod, enhance bearing capacity and improve engine reliability (CG250-A)；
The platform screen technology is adopted to make the formation of oil film easier. The lubrication between cylinder block, piston and piston ring is improved, and the engine reliability is improved (CG175-A/CG200-A/CG250-A)；
Using rotors to increase inertia and improve engine starting and acceleration performance；
DLC piston ring is adopted to improve the service life of the engine (CG175-A/CG200 - AA); Adopt PVD piston rings to improve engine service life (CG250-A)。
