| Year | 1983 |
| Bore x Stroke | 89.0 x 79.0 mm |
| Capacity | 491.4 cc / 29.9 cu-in |
| Clutch | Wet plate |
| Compression Ratio | 6.7:1 |
| Cooling System | Air cooled |
| Dry Weight | 102.1 kg / 225.0 lbs |
| Engine | Two stroke, single cylinder, membrane & power valve |
| Exhaust | Expansion chamber |
| Final Drive | Chain |
| Final Reduction | 3.500 |
| Frame | Welded steel tubing |
| Front Brakes | Single 240mm disc hydraulic 2 piston caliper |
| Front Suspension | 46mm Showa telescopic fork |
| Front Tyre | 3.00-21 |
| Front Wheel Travel | 305 mm / 12.0 in |
| Fuel Capacity | 9 Litres / 2.38 US gal |
| Gear Ratio | 1st 1.750 / 2nd 1.388 / 3rd 1.150 / 4th 1.000 / 5th 0.870 |
| Ground Clearance | 320 mm / 12.6 in |
| Ignition | CDI |
| Induction | Single 38mm Keihin flat-slide carburettor |
| Lubrication | Pre-mix |
| Max Power | 59 hp / 44 kW @ 6600 rpm |
| Max Torque | 65.7 Nm / 48.5 lb-ft @ 6600 rpm |
| Overview | Pulpmx.com |
| Primary Reduction | 2.520 |
| Rake | 27° |
| Rear Brakes | Drum |
| Rear Suspension | Showa Prolink with adjustable compression/rebound dampening |
| Rear Tyre | 5.10-18 |
| Rear Wheel Travel | 315 mm / 12.4 in |
| Seat Height | 937 mm / 36.8 in |
| Starting | Kick |
| Trail | 109.2 mm / 4.3 in |
| Transmission | 5 Speed |
| Wet Weight | 108.0 Kg / 238.1 lbs |
| Wheelbase | 1508.7 mm / 59.4 in |
