| Model | NT Balance shaft Engine (125cc) |
| Number: | TY157FMI |
| Specifications | |
| Type: | 4-stroke, Single-cylinder, Air-cooling |
| Rated power： | 7.2/8000KW/（r/min） |
| Max. Power | 7.8/8500 kw/（r/min） |
| Max. Torque: | 8.8/7500 N·m/（r/min） |
| Min. Fuel Consumption: | ≤367g（kw·h） |
| Min. No-load Steady Speed (Idle) | 1400±100 r/min |
| Displacement: | 124ml |
| Cylinder Diameter： | 56.5mm |
| Compression Ratio: | 9.0:1 |
| Ignition Method: | CDI |
| Starting Method: | Electric/Kick |
| Lubricating Oil and Capacity: | 10W/30 10W/40 15W/40 |
| Gasoline: | RQ-93 |
