YX 150 1. Type: 4-stroke, Oil Cooling, single cylinder, manual clutch, horizontal 
2. Bore × stroke: 60×53 
3. Actual Displacement: 149.8ml 
4. Compression Ratio: 10.0: 1 
5. Max. Power/rpm: 10KW/9500r/min 
6. Max. torque/rpm: 11.2N.m/7500r/min 
7. Min. Fuel Consumption: ≤367g/KW.h 
8. Ignition advance angle: BTDC 15º±2º 
9. Valve clearance: 0.05mm 
10. Fuel Grade: 90# and above GB484-89 
11. Engine Oil Grade: API SAE 15W/50-SF 
12. Engine Oil Consumption Rate : ≤ 10g/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: C7HSA 
15. Gap of Spark plug: 0.6-0.7 
16. Ignition: CDI 
17. Clutch: multi-plate oil bath, Manual 
18. Air Filter: Recommended Foam
19. Lubrication: pressure and splash 
20. Engine Oil Capacity: 950ml 
21. Starting: kick start at any gear 
22. Sizes(mm) 435mm*285mm*235mm 
23. Net Weight: 23±1Kg