| Year | 1985 |
| Bore x Stroke | 86 x 86mm |
| Capacity | 499 cc / 30.5 cu-in |
| Clutch | Wet, multi-plate, cable operated |
| Compression Ratio | 8.4:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 104.7 kg / 231 lbs |
| Engine | Two stroke, single cylinder, read valve |
| Exhaust | Expansion chamber |
| Final Drive | Chain |
| Final Reduction | 3.357 |
| Frame | Chrome-moly steel tubing, aluminum rear subframe |
| Front Brakes | Single 220mm disc |
| Front Suspension | Leading-axle, 43mm air-assisted forks with adjustable compression damping |
| Front Tyre | 3.00 -21 |
| Front Wheel Travel | 292 mm / 11.5 in |
| Fuel Capacity | 9 Litres / 2.4 US gal |
| Gear Ratio | 1st 2.000 2nd 1.450 3rd 1.181 4th 0.954 5th 0.791 |
| Ground Clearance | 325 mm / 12.8 in |
| Ignition | CDI |
| Induction | 38mm Mikuni carburetor |
| Lubrication | Premix |
| Max Power | 63,5 hp / 46,7 kW @ 7000 rpm |
| Max Torque | 65,7 Nm 48.4 lb-ft / @ 6000 rpm |
| Primary Reduction | 2.538 |
| Rear Brakes | Single 190mm disc |
| Rear Suspension | Uni Trak, damping-ad |
| Rear Tyre | 5.10-18 |
| Rear Wheel Travel | 328 mm / 12.9 in |
| Seat Height | 950 mm / 37.3 in |
| Starting | Kick |
| Trail | 122 mm / 4.8 in |
| Transmission | 5 Speed |
| Wet Weight | 114 kg / 251 lbs |
| Wheelbase | 1514 mm / 59.6 in |
