The Kawasaki GPX250R, also known as the EX250 Ninja or ZZR 250, was produced from 1998-2000 as a four-stroke parallel twin, DOHC engine with 4 valves per cylinder and a capacity of 248 cc. It has a liquid cooling system and a compression ratio of 12.4:1. The bike is equipped with 2 Keihin CVK30 carburetors and electronic advance ignition system with NGK spark plugs. The maximum power is 45 hp @11,000 rpm with a maximum torque of 24 Nm @10,000 rpm. It has a clutch with a wet, multi-disc, manual cable-actuated transmission and 6-speed capabilities with a final chain drive. The front suspension is a telescopic fork with 140 mm of front wheel travel, while the rear suspension is a UNI-TRAK single shock with 130 mm of rear wheel travel. Braking on both the front and rear is done with single disc brakes. The GPX250R has a tubular diamond design frame with a rake of 27 degrees and a trail of 84 mm. The wheelbase measures at 1400 mm and the seat height is 740 mm with a ground clearance of 150 mm. The dry weight of the bike is 138 kg while the wet weight reaches 160 kg. The fuel tank capacity is 18 litres and can reach top speeds of 152.7 km/h, while the standing quarter-mile is done in around 13.8 seconds at 82.3 mph.
Technical specifications:
Make Model: Kawasaki GPX 250R / EX250 Ninja / ZZR 250
| Year | 1998 – 00 |
|---|---|
| Engine | Four stroke . parallel twin, DOHC , 4 valve per cylinder |
| Capacity | 248 cc / 15.2 cu-in |
| Bore x Stroke | 62 41.2mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 12.4:1 |
| Induction | 2x Keihin CVK30 Constant velocity, diaphragm-type |
| Ignition | Electronic advance |
| Spark Plug | NGK CR8HSA, CR8HIX, CR8HVX option CR7HSA, CR7HIX |
| Starting | Electric |
| Max Power | 45 hp / 33.5 kW @ 11000 rpm |
| Max Torque | 24 Nm / 17.7 lb-ft @ 10000 rpm |
| Clutch | Wet, multi-disc, manual, cable-actuated |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Tubular diamond design |
| Front Suspension | Telescopic forks |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | UNI-TRAK single shock |
| Rear Wheel Travel | 130 mm / 5.1 in |
| Front Brakes | Single 260mm disc |
| Rear Brakes | Single 230mm disc |
| Front Tyre | 100/80-16 |
| Rear Tyre | 130/80-16 |
| Rake | 27 degrees |
| Trail | 84 mm / 3.3 in |
| Wheelbase | 1400 mm / 55.1 in |
| Seat Height | 740 mm / 29.3 in |
| Ground Clearance | 150 mm / 6.1 in |
| Dry Weight | 138 kg / 304 lbs |
| Wet Weight | 160 kg / 355 lbs |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Standing 1/4 Mile | 13.8 sec / 82.3 mph 132.4 km/h |
| Top Speed | 152.7 km/h / 94.9 mph |
