| Year | 1985 |
| Bore x Stroke | 95 x 84 mm |
| Braking 60 - 0 / 100 - 0 | 16.6 m / 49.8 m |
| Capacity | 595 cc / 36.5 cu-in |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Dry Weight | 138 kg / 304.2 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 Valve |
| Final Drive | Chain |
| Front Brakes | Single 267mm disc |
| Front Suspension | 43mm Telescopic forks |
| Front Tyre | 3.00-21 |
| Front Wheel Travel | 300 mm / 11.8 in |
| Fuel Capacity | 13 Litres / 3.4 US gal |
| Gear Ratio | 1st 30/13 (2.367) 2nd 27/17(1.588) 3rd 24/20 (1.200) 4th 21/22 (0.954) 5th 21/27 (0.777) |
| Gearing Front / Rear | 14 / 50 |
| Ignition | CDI |
| Induction | 27mm Dual stage Teikei Y27PVX1 carburetor |
| Lubrication | Dry sump |
| Max Power | 45 hp / 34 kW @ 6500 rpm |
| Max Power Rear Wheel | 38.2 hp @ 6500 rpm |
| Max Torque | 50 Nm / 4.7 kgf-m @ 5500 rpm |
| Rear Brakes | 150mm Drum |
| Rear Suspension | Monocross single shock 20-way compression, reload and rebound adjustment. |
| Rear Tyre | 4.60-18 |
| Rear Wheel Travel | 270 mm / 10.6 in |
| Spark plug | NGK DPR7EA or DP7EA |
| Standing ¼ Mile | 13.8 sec / 144.2 km/h |
| Starting | Kick |
| Top Speed | 146.4 km/h |
| Transmission | 5 Speed |
