| Year | 1984 |
| Bore x Stroke | 82 x 61.5 mm |
| Braking 100 km/h - 0 | 42.3 m / 138.8 ft |
| Braking 60 km/h - 0 | 14.8 m / 48.6 ft |
| Capacity | 649.6 cc / 39.6 cu in. |
| Compression Ratio | 8.4:1 |
| Consumption Average | 5.95 L/100 km / 16.8 km/l / 39.5 mpg |
| Cooling System | Air cooled |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Front Wheel Travel | 175 mm / 6.9" |
| Front Brakes | 2x ∅260mm discs, 2 piston calipers |
| Front Suspension | Telescopic hydraulic forks |
| Front Tyre | 90/90 - 18 |
| Fuel Capacity | 22 liters / 5.8 US gal |
| Ignition | Bosch contact free electronic ignition |
| Induction | 2 x Bing constant depression carburetors |
| Max Power | 35 kW / 48 hp @ 7250 rpm (rear tyre 31.3 kW / 42 hp @ 7200 rpm) |
| Max Torque | 45.1 Nm / 4.6 kgf-m / 33.3 lb-ft @ 6000 rpm |
| Rear Wheel Travel | 120 mm / 4.7" |
| Rear Brakes | Single ∅200mm drum |
| Rear Suspension | Monolever swinging arm |
| Rear Tyre | 120/90 - 18 |
| Standing ¼ Mile | 14 sec / 143.4 km/h / 89.1 mph |
| Starting | Electric |
| Top Speed | 168.7 km/h / 104.8 mph |
| Transmission | 5 Speed |
| Wet-Weight | 196 kg / 432 lbs |
