| Year | 1983 |
| Battery | Yuasa 12V 14Ah |
| Bore x Stroke | 66 x 51 mm |
| Capacity | 348.9 cc / 21.3 cu in |
| Clutch | Wet, multiplate |
| Compression Ratio | 10.4:1 |
| Dimensions | Length: XL / TL: 2160 mm / 85.0 in. SL: 2150 mm / 84.6 in Width: XL / TL: 710 mm / 28.0 in. SL 670 mm / 26.4 in |
| Dry Weight | XL / TL: 177 kg / 390 lbs SL: 176 kg / 389 lbs |
| Engine | Four stroke, 90°“L” twin cylinder, Desmo SOHC, belt driven |
| Final Drive | Chain |
| Final Drive Ratio | 3.143:1 (14/44) |
| Front Brakes | 2 x 260 mm Discs |
| Front Suspension | 35 mm Paioli or Marzocchi fork |
| Front Tyre | 3.00-18 |
| Fuel Capacity | 18 L / 4.8 US gal / 4.0 Imp gal |
| Gear Ratios | 1st 2.500 / 2nd 1.714 / 3rd 1.333 / 4th 1.074 / 5th 0.931:1 |
| Ignition | Bosch BTZ electronic |
| Induction | Dell'Orto PHF30A |
| Max Power | 29.1 kW / 40 hp @ 9600 rpm |
| Rear Brakes | Single 260 mm disc |
| Rear Suspension | Swingarm, Paioli twin shock, 3-way adjustable |
| Rear Tyre | 3.50-18 |
| Seat Height | XL / TL: 760 mm / 29.9 in SL: 740 mm / 29.1 in |
| Spark Plug | Champion L82Y |
| Starting | Electric |
| Top Speed | XL / TL: 170 km/h / 106 mph SL: 180 km/h / 112 mph |
| Transmission | 5 Speed |
| Wheelbase | 1450 mm / 57.1 in |
