| Year | 1977 |
| Battery | B68-12 36Ah |
| Bore x Stroke | 86 x 74.4 mm |
| Capacity | 864 cc / 52.7 cu in |
| Clutch | Wet, multiplate |
| Colours | Black frame, orange, red, blue, black, green, yellow |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Dimensions | Length: 2200 mm / 86.6 in Width: 900 mm / 35.5 in Height: 1170 mm / 46.1 in |
| Dry Weight | 185 kg / 408 lbs |
| Engine | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven |
| Final Drive | Chain |
| Final Drive Ratio | 2.533:1 (15/38) |
| Front Brakes | Single 280mm disc, 1 piston caliper |
| Front Suspension | Marzocchi fork |
| Front Tyre | 3.50 H18 |
| Fuel Capacity | 18 L / 4.8 US gal / 4.0 Imp gal |
| Gear Ratios | 1st 2.237 / 2nd 1.562 / 3rd 1.203 / 4th 1.000 / 5th 0.887 |
| Ignition | Electronic |
| Induction | 2 x 32mm Dell'Orto PHF 32 A (C) carburetors |
| Manual | Bevelheaven.com |
| Max Power | 41.9 kW / 57 hp @ 7700 rpm |
| Primary Drive Ratio | 2.187:1 (32/70) |
| Rear Brakes | 200mm Drum |
| Rear Suspension | Marzocchi dual shocks, 3-way adjustable |
| Rear Tyre | 4.00 H18 |
| Seat Height | 825 mm / 32.5 in |
| Spark Plugs | Champion L88A / Bosch WM7 |
| Standing ¼ Mile | 13.1 sec |
| Starting | Kick (electric starter optional) |
| Top Speed | 195 km/h / 121 mph |
| Transmission | 5 Speed |
| Wet Weight | 206 kg / 454 lbs |
| Wheelbase | 1550 mm / 61.0 in |