| Year | 1987 |
| Bore x Stroke | 84 x 61.3 mm |
| Capacity | 339 cc / 26.7 cu-in |
| Compression Ratio | 9.5;1 |
| Cooling System | Air cooled |
| Dimensions | 860 mm / 33.9 in |
| Engine | Four stroke, single cylinder, SOHC, 4 valve |
| Final Drive | Chain |
| Front Wheel Travel | 230 mm / 9.1 in |
| Front Brakes | Single disc |
| Front Suspension | 41mm Air adjustable forks |
| Front Tyre | 3.00 -21 |
| Fuel Capacity | 11 Litres / 2.9 US gal |
| Ignition | CDI |
| Induction | 2x 26mm Keihin |
| Max Power | 30 hp / 22 kW @ 7500 rpm |
| Max Torque | 28.3 Nm / 20.9 lb·ft @ 6500 rpm |
| Rake | 30.5° |
| Rear Brakes | Drum |
| Rear Suspension | Single gas shocks, fully adjustable |
| Rear Tyre | 4.60 -17 |
| Rear Wheel Travel | 220 mm / 8.6 in |
| Seat Height | Width 800 mm / 31.5 in |
| Starting | Electric |
| Trail | 120 mm / 4.7 in |
| Transmission | 6 Speed |
| Wet-Weight | 137 kg / 302 lbs |
| Wheelbase | 1410 mm / 55.6 in |