| Year | 1978 |
| Engine Class | 125 |
| VIN Prefix | 2A6 |
| Known VIN Range (Vehicle ID Numbers) | 000101 to 029080 |
| Tank Color(s) | Leaves Green or Competition Yellow |
| Country of Sale | USA |
| Bore (MM) | 56 |
| Stroke (MM) | 50 |
| Displacement (CC) | 123 |
| Compression Ratio (to 1) | 7.2 |
| BHP @ RPM | 9.4 @ 7,000 |
| Torque (kgm) @ RPM | 1.05 @ 6,500 |
| Autolube Injection? | Yes |
| Engine Cooling | Air |
| Carburetor Model | VM24SS |
| Ignition Type | Magneto |
| Ignition Timing MM (BTDC) | 1.45 |
| Primary Drive Gearing | 3.23 |
| Final Drive Gearing (Sprockets) | 49/15 |
| Box Gearing First | 3.5 |
| Box Gearing Second | 2.21 |
| Box Gearing Third | 1.56 |
| Box Gearing Fourth | 1.19 |
| Box Gearing Fifth | 0.96 |
| Box Gearing Sixth | 0.8 |
| Fuel Capacity (L) | 7.2 |
| 2 Stroke Oil Tank Capacity (L) | 1.0 |
| Gearbox Oil Capacity | 0.65 |
| Fork Oil Capacity (CC/Fork Leg) | 146 |
| Front Tire (stock) | 2.75 X 21 |
| Rear Tire (stock) | 3.50 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Mono Shock |
| Front Suspension Travel (mm) | 170 |
| Rear Suspension Travel (mm) | 100 |
| Rake (degrees) | 30 |
| Trail (mm) | 127 |
| Overall Width (mm) | 826 |
| Ground Clearance (mm) | 274 |
| Wheelbase (mm) | 1,350 |
| Dry Weight (kg) | 97.5 |
| Voltage | 6 Volt |