| Year | 1977 |
| Alternator | Bosch 12 V/280 W |
| 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 | 8.2:1 |
| Cooling System | Air cooled |
| Dimensions | Length 2210 mm / 87.0 in Width 746 mm / 29.3 in Height 1080 mm / 42.5 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 | 3.25 - H19 |
| Front Wheel | 1.85 - B19 |
| Front Wheel Travel | 200 mm / 7.3 in |
| Fuel Capacity | 24 Litres / 6.3 US gal |
| Gear Ratio | 1st 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 |
| Ground Clearance | 165 mm / 6.49 in |
| Ignition | Battery ignition |
| Induction | 2 x Bing constant depression carburetors |
| Max Power | 36.4 kW / 50 hp @ 6500 rpm |
| Max Torque | 58 Nm / 5.9 kgf-m / 43 lb-ft @ 4000 rpm |
| Rear Brakes | Single ∅200mm drum |
| Rear Suspension | Long swinging arm with adjustable strut. |
| Rear Tyre | 4.00 - H18 |
| Rear Wheel | 2.50 - B18 |
| Rear Wheel Ratio | 1:3.20 or 1:3.36 |
| Rear Wheel Travel | 125 / 4.9 in |
| Seat Height | 810 mm / 31.9 in |
| Spark Plug | Bosch W 175 T 30 |
| Starting | Electric |
| Transmission | 5 Speed |
| Wet Weight | 215 kg / 473 lbs |
| Wheelbase | 1465 mm / 57.67 in |
