| Maximum Power | 4.8 kW {6.5 PS} / 7,500 rpm |
| Maximum Torque | 6.6 Nm {0.67 kgfm} / 5,500 rpm |
| Engine | 4-stroke Single |
| Displacement | 90 cc |
| Bore x Stroke | 47.0 x 51.8 mm |
| Compression Ratio | 10.0:1 |
| Valve System | SOHC, 2-valves per cylinder |
| Fuel System | Carburettor: Keihin PTE16 |
| Ignition | CDI |
| Starting | Electric with kick backup |
| Cooling | Air-cooled |
| Lubrication | Forced lubrication, wet sump |
| Transmission | Automatic, CVT with centrifugal clutch |
| Primary Reduction Ratio | 0.800 ~ 2.500 (belt converter) |
| Gear Ratio | 8.507 (49/18 x 50/16) |
| Final Reduction Ratio | 2.000 (32/16) |
| Final Drive | Chain |