| Year | 1981 |
| Alternator | Bosch 12 V/280 W |
| Average Consumption | 5.9 L/100 km / 17.0 km// / 40 mpg |
| Bore x Stroke | 84.8 x 70.6 mm |
| Capacity | 797.5 cc / 48.7 cu in. |
| Clutch | Dry single plate, with diaphragm spring |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Dimensions | Length 2175 mm / 88.6 in Width 800 mm / 31.2 in Height 1106 mm / 43.5 in |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Front Brakes | 2 x ∅260mm discs, 1 piston caliper |
| Front Suspension | Telescopic hydraulic forks. |
| Front Tyre | 90/90-17 |
| Front Wheel | MTH 2.50 x 17E |
| Front Wheel Travel | 175 mm / 6.8 in |
| Fuel Capacity | 22 Litres / 5.8 gal |
| Gear Ratio | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 |
| Ground Clearance | 140 mm / 5.51 in |
| Ignition | Battery ignition |
| Induction | 2 x Bing constant depression carburetors |
| Max Power | 50 hp / 36.4 KW @ 6500 rpm |
| Max Torque | 58 Nm / 5.9 kgf-m / 42 ft lb @ 5500 rpm |
| Rear Brakes | Single ∅200mm Drum |
| Rear Suspension | Long swinging arm with adjustable strut. |
| Rear Tyre | 120/90-18 |
| Rear Wheel | MTH 2.50 x 18E |
| Rear Wheel Ratio | 1:3.20 or 1 3.36 |
| Rear Wheel Travel | 125 mm / 4.9 in |
| Spark Plug | Bosch W 7 D / Beru14-7DU / Champion N9YC |
| Standing ¼ Mile | 14.5 sec |
| Starting | Electric |
| Top Speed | 180 km/h / 112 mph |
| Transmission | 5 Speed |
| Wet Weight | 210 Kg / 462 lbs |
| Wheelbase | 1447 mm / 56.9 in |
