| Year | 1971 |
| Bore x Stroke | 75 x 74 mm |
| Capacity | 653 cc / 39.8 cu-in |
| Compression Ratio | 8.4:1 |
| Cooling System | Air cooled |
| Dimensions | Length: 2175 mm / 85.6 inWidth: 905 mm / 35.0 inHeight: 1135 mm / 44.7 in |
| Dry Weight | 185 kg / 408 lbs |
| Engine | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder |
| Final Drive | Chain |
| Front Brakes | Single disc |
| Front Suspension | Telescopic forks |
| Front Tyre | 3.50-19 |
| Fuel Capacity | 12.5 Litres / 3.3 US gal |
| Ground Clearance | 150 mm / 5.5 in |
| Ignition | Battery, induction coil |
| Induction | 2x Mikuni BS38 carburetors |
| Lubrication | Wet sump |
| Max Power | 39.5 kW / 53 hp @ 7200 rpm |
| Max Torque | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm |
| Oil Capacity | 3.0 Litres / 3.2 US qts |
| Rear Brakes | Drum |
| Rear Suspension | Dual shock absorbers |
| Rear Tyre | 4.00-18 |
| Starting | Kick |
| Top Speed | 185 km/h / 115 mph |
| Transmission | 5 Speed |
| Wheelbase | 1410 mm / 55.5 in |
