| Year | 1999 |
| Battery | 12V 8Ah, maintenance free |
| Bore x Stroke | 101 x 78 mm |
| Capacity | 624.6 cc / 38.1 cu in |
| Clutch | Multi-disc in oil bath |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 149 kg / 328 lbs |
| Engine | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
| Engine Oil Capacity | 2.1 L / 2.2 US qt / 1.8 Imp qt |
| Final Drive | Chain, O-ring 5/8 x 1/4" |
| Final Drive Ratio | 17:38 |
| Frame | Central chrome-moly steel frame |
| Front Wheel Travel | 275 mm / 10.8 in |
| Front Brakes | Single 300 mm disc, 4 piston caliper |
| Front Suspension | White Power – Up Side Down 4357 MXMA fork |
| Front Tyre | 90/90 - 21 |
| Fuel Capacity | 11 L / 2.9 US gal / 2.3 Imp gal |
| Gear Ratios | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 |
| Ground Clearance | 310mm / 12.2 in |
| GVWR | 350 / 773 lbs |
| Ignition | Kokusan contactless DC-CDI ignition with advanced system |
| Induction | Mikuni BST 40 carburetor |
| Lubrication | 2 x Eaten oil pumps |
| Max Power | 40.1 kW / 55 hp @ 7000 rpm |
| Max Torque | 55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm |
| Primary Drive Ratio | 30:81, straight cut gears |
| Rear Wheel Travel | 300 mm / 11.8 in |
| Rear Brakes | Single 220 mm disc, 1 piston caliper |
| Rear Suspension | Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing |
| Rear Tyre | 130/80 - 18 |
| Seat Height | 925 mm / 36.4 in |
| Spark Plug | NGK DRBEACPR 8 E |
| Starting | Electric & kick |
| Steering Head Angle | 62o |
| Transmission | 5 Speed |
| Wheelbase | 1510 mm / 59.4 in |
