| Year | 1984 |
| Bore x Stroke | 53 x 45.2 mm |
| Capacity | 398 cc / 24.3 cu-in |
| Clutch | Wet multi-plate |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid cooled |
| Dimensions | Length 2090 mm / 82.3 in Width 710 mm / 28.0 in Height 1185 mm / 46.7 in |
| Dry Weight | 152 kg / 334 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC |
| Final Drive | Chain |
| Final Drive Ratio | 3.066 |
| Frame | Aluminum angular pipe double cradle |
| Front Brakes | 2 x Discs, 4 piston calipers |
| Front Suspension | Telescopic forks |
| Front Tyre | 110/90-16 |
| Fuel Capacity | 15 Litres / 3.96 US gal / 3.3 Imp gal |
| Gear Ratio | 1st 3.166 / 2nd 2.125 / 3rd 1.631 / 4th 1.333 / 5th .173 / 6th 1.083 |
| Headlight | 12V 35/35w x 2 |
| Ignition | CDI |
| Induction | 2 x AS27VW carburetors |
| Lubrication | Wet sump |
| Max Power | 44 kW / 59 hp @ 11000 rpm |
| Max Torque | 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm |
| Primary Reduction Ratio | 2.212 |
| Rake | 27° 25' |
| Rear Brakes | Single disc, 2 piston caliper |
| Rear Suspension | Full floater swing arm, non-adjustable |
| Rear Tyre | 140/90-18 |
| Seat Height | 780 mm / 30.7 in |
| Starting | Electric |
| Trail | 96 mm / 3.7 in |
| Transmission | 6 Speed, constant mesh |
| Wheelbase | 1425 mm / 56.1 in |
