Products
4-stroke Series
139F
Satisfying users is our unremitting pursuit
- Commodity name： 139F
Product details
| Model | 139F |
| Displacement（cc） | 31 |
| Cylinder diameter * stroke（mm） | 39*27 |
| Maximum power（ kW/r/min） | ≥0.7/6500 |
| Acrot orque （Nm） | ≥1.1/5000 |
| Specific fuel consumption （g/kW.h） | ≤560 |
| Minimum stable engine speed（r/min） | 3150±150 |
| Clutch speed（r/min） | 4200±350 |
| Effective compression ratio | 8.87 |
| Tank volume (drawing)（L） | 0.6 |
| Magneto model (drawing) | 139F.5 |
| Angle of ignition advance | 27°±2° |
| Spark plug model (drawing) | A7TC |
| Carburetor type | diaphragm type |
| Carburetor model (drawing) | 139F.2.2 |
| Net weight (kg) | 4.3 |
| Outline dimension（mm） | 254*220*260 |
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