Kawasaki GPX250R (1998-00)

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