| Year | 1977 |
| Bore x Stroke | 54 x 54 mm |
| Capacity | 123.7 cc / 7.5 cu in |
| Clutch | Wet, multiplate |
| Compression Ratio | 14.6:1 |
| Cooling System | Air cooled |
| Dimensions | Length: 2150 mm / 84.6 in Width: 920 mm / 36.2 in Height: 1200 mm / 47.2 in |
| Dry Weight | 98 kg / 216 lbs |
| Engine | Two stroke, single cylinder, piston port |
| Final Drive | Chain |
| Frame | Double cradle chromium molybdenum steel |
| Front Brakes | 125 mm drum |
| Front Suspension | 35mm Marzocchi with magnesium forks |
| Front Tyre | 3.00 x 21 |
| Fuel Capacity | 8 Litres / 2.11 Us gal |
| Ignition | Motoplat electronic |
| Induction | Dell'Orto PHBE 32 carburetor |
| Max Power | 18.38 kW / 25 hp @ 10250 rpm |
| Production | 3486 units |
| Rear Brakes | 140 mm drum |
| Rear Suspension | Swinging arm with dual Marzocchi shocks |
| Rear Tyre | 4.00 x 18 |
| Seat Height | 900 mm / 35.4 in |
| Starting | Kick |
| Transmission | 6-Speed |
| Wheelbase | 1430 mm / 56.2 in |
| Wheels | Alloy rims |
