Kawasaki GPX250R (2003-05)

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The Kawasaki GPX250R (2003-05) is a motorcycle that features a four-stroke parallel twin engine with a capacity of 248 cc. It has a liquid-cooled system with a compression ratio of 12.4:1 and an induction of 2x Keihin CVK30 Constant velocity. The bike has a maximum power of 45 hp at 11000 rpm and a maximum torque of 24 Nm at 10000 rpm. It has a six-speed transmission with a wet, multi-disc, manual, cable-actuated clutch, and a final drive chain. The frame is designed as a tubular diamond with telescopic forks for the front suspension and a UNI-TRAK single shock for the rear suspension. The motorcycle features single disc brakes for both front and rear, with a tire size of 100/80-16 for the front and 130/80-16 for the rear. It has a rake of 27 degrees and a trail of 84 mm, a wheelbase of 1400 mm, and a seat height of 740 mm. The dry weight of the bike is 138 kg, while the wet weight is 160 kg, with a fuel capacity of 18 liters. The standing 1/4 mile is 13.8 sec, with a top speed of 152.7 km/h or 94.9 mph.

Technical specifications:

Make Model: Kawasaki GPX 250R / EX250 Ninja / ZZR 250

Year: 2003 – 05


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

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