The Kawasaki GPX 250R (1990-1992) motorcycle had a four-stroke parallel twin engine with a 248 cc capacity and a cooling system of liquid-cooled. The bike had a tubular diamond design frame and a telescopic fork front suspension with a wheel travel of 140mm/5.5in and a UNI-TRAK single shock rear suspension with a wheel travel of 130mm/5.1in. The front and rear brakes were single 260mm and 230mm discs respectively. The bike had a 6-speed manual transmission and a wet, multi-disc, manual, cable-actuated clutch. Its top speed was 152.7 km/h (94.9 mph), and its standing quarter-mile time was 13.8 sec with a speed of 132.4 km/h. It had a seat height of 740 mm and a ground clearance of 150 mm. The bike had a dry weight of 138 kg / 304 lbs and a wet weight of 160 kg / 355 lbs. The fuel capacity was 18 liters / 4.7 US gallons, and the bike had a maximum power of 45 hp / 33.5 kW @ 11000 rpm and a maximum torque of 24 Nm / 17.7 lb-ft @ 10000 rpm. It was also known as the EX250 Ninja or the ZZR 250.
Make Model: Kawasaki GPX 250R / EX250 Ninja / ZZR 250
Year: 1990 – 92
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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