| Model | GN Engine 125cc |
| Number: | TY157FMI-B |
| Specifications | |
| Type: | 4-stroke, Single-cylinder, Air-cooling |
| Rated power: | 7.5/8500 kw/（r/min） |
| Max. Power: | 8.2/9000 kw/（r/min） |
| Max. Torque: | 8.6/8000 N•m/（r/min） |
| Min. Fuel Consumption: | ≤367g（kw·h） |
| Min. No-load Steady Speed (Idle): | 1400±100 r/min |
| Displacement: | 124.5 ml |
| Cylinder Diameter： | 57.0 mm |
| Compression Ratio: | 10.0:1 |
| Ignition Method: | CDI |
| Starting Method: | Electric/Kick |
| Lubricating Oil and Capacity: | 10W/30 10W/40 15W/40 |
| Gasoline: | RQ-93 |
