| Year | 1982 |
| Bore x Stroke | 89 x 64 mm |
| Capacity | 398 cc / |
| Compression Ratio | 8.6:1 |
| Cooling System | Air cooled |
| Dry Weight | 139 Kg / 306 lbs |
| Engine | Four-stroke, single cylinder SOHC, 4 valve |
| Final Drive | Chain |
| Front Brakes | Drum |
| Front Suspension | 41mm Air adjustable forks |
| Front Tyre | 3.00-21 |
| Fuel Capacity | 10 Litres / 2.6 US gal |
| Ignition | CDI |
| Induction | 2x 26mm Keihin carburetor |
| Max Power | 24.3 kW/ 6500 rpm |
| Max Torque | 39 Nm @ 5000 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Single gas shocks, fully adjustable |
| Rear Tyre | 4.60-17 |
| Seat Height | 895mm / 35.2 in |
| Service Manual | XL400R XL500R |
| Starting | Kick |
| Transmission / Drive | 6 Speed |
