| MODEL | KAWASAKI GPX 250R 2003 - 2005 |
| Year | 2003 - 2005 |
| Engine Type | Four stroke, parallel twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 248 cc / 15.2 cu in |
| Bore X Stroke | 62 x 41.2 mm |
| Compression Ratio | 12.4:1 |
| Cooling System | Liquid cooled |
| Max Power | 45 hp / 33.5 kW @ 11000 rpm |
| Max Torque | 24 Nm / 17.7 lb-ft @ 10000 rpm |
| Ignition | Electronic advance |
| Induction | 2x Keihin CVK30 constant velocity, diaphragm-type carburetors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | Wet, multi-disc, manual, cable-actuated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular diamond design |
| Front Suspension | Telescopic forks, 140 mm / 5.5 in travel |
| Rear Suspension | UNI-TRAK single shock, 130 mm / 5.1 in travel |
| Front Brakes | Single 260mm disc |
| Rear Brakes | Single 230mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 740 mm / 29.3 in |
| Wheelbase | 1400 mm / 55.1 in |
| Ground Clearance | 150 mm / 6.1 in |
| Dry Weight | 138 kg / 304 lbs |
| Wet Weight | 160 kg / 355 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/80-16 |
| Rear Tyre | 130/80-16 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Fuel Consumption | — |
| Top Speed | 152.7 km/h / 94.9 mph |
The GPX 250R of 2003 - 2005 was the mature form of Kawasaki's entry Ninja sportbike, with a 248 cc liquid-cooled twin, a UNI-TRAK rear shock and an uncomplicated chassis. Its specifications stayed close to the bike's 1980s design, which made it a cheap, light and easy machine to ride. It was marketed as the brand's most affordable sportbike.
