| Year | 1978 |
| Bore x Stroke | 70 x 61.5 mm |
| Capacity | 453 cc / 27.6 cu in. |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Dry Weight | 185 kg / 408 lbs |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Front Brakes | 2 x 260mm Disc, 2 piston caliper. |
| Front Suspension | Telescopic hydraulic forks |
| Front Tyre | 1.85 - B18 |
| Front Wheel Travel | 175 mm / 6.9" |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Ignition | Bosch contact free electronic ignition |
| Induction | 2 x Bing V65 carburetors |
| Max Power | 20 kW / 27 hp @ 7250 rpm |
| Max Torque | 37.5 Nm / 3.82 kgf-m / 27.65 lb-ft @ 5000 rpm |
| Rear Wheel Travel | 110 mm / 4.3" |
| Rear Brakes | Single 200mm drum |
| Rear Suspension | Long swinging arm with adjustable strut |
| Rear Tyre | 2.50 - B18 |
| Starting | Kick |
| Transmission | 5 Speed |
