1. Exhaust through the middle of propeller so as to get low noise and low vibration for extra comfort;
2. Spiral bevel gear, stronger, run more quietly and can be used for higher reduction ratios with longer life;
3. High - strength clutch, more reliable and better performance
4. Use ball bearing and needle bearing for driver shaft, long life and better performance
5. Besides the oil dip-stick, also equipped with oil watch window
6. Convenient auxiliary prime pump in cowling for easy starting after long storage. A small auxiliary prime pump is fitted to the fuel pipe before the carburetor in the cowling. By ensuring the delivery of fuel to the carburetor, the engine can be started smoothly even after long storage;
7. Bigger displacement, 3-5% more power output;
8. Wet-sump, forced bath lubrication system, protect the engine better;
9. CDI Ignition for easy start in all conditions: idle speed will be down to 1200~1300rpm (the fuel consumption will be reduced) and more quiet at idle speed by such new system