YX 125cc semi automatic

Complete engine block YX 125 cc semi-automatic

1. Type: 4-stroke, air-cool, single cylinder, horizontal

2. Bore × stroke: 52.4×57

3. Total Displacement: 124ml

4. Compression Ratio: 8.8: 1

5. Max.Net Power/rpm: 5KW/8000±500r/min

6. Max torque/rpm: 8.8N.m/5000±500r/min

7. Min. Fuel Consumption: ≤ 367g/KW.h

8. Ignition advance angle: BTDC 15º±2º

9. Valve clearance: 0.05±0.02mm

10. Fuel Grade: 90# GB484-89

11. Engine Oil Grade: SE: 15W/40

12. Engine Oil Consumption Rate : ≤ 8g/KW.h

13. Transmission Ratio: Primary: 3.722(18/67)

1gear: 3,272(11/36) 2gear: 1,937(16/31)

3gear: 1,350(20/27) 4gear: 1,043(23/24)

14. Type of Spark plug: 1136 or 1137

15. Gap of Spark plug: 0.6-0.7

16. Ignition: C.D.I

17. Clutch: multi-plate oil bath, Manual

18. Air Filter: Paper Filter

19. Lubrication: pressure and splash

20. Engine Oil Capacity: 1.0L

21. Starting: kick