Kawasaki GPX400R (1987-90)

Make Model: Kawasaki GPX 400R / EX400 Ninja


Year: 1987 – 90
Engine: Four stroke, parallel twin cylinders, DOHC, 4 valves per cylinder.
Capacity: 398 cc / 24.3 cu-in
Bore x Stroke: 70 51.8 mm
Cooling System: Liquid cooled
Compression Ratio: 10.7:1
Lubrication: Wet sump
Induction: Carburetor
Ignition: TCI (Transistor Controlled Ignition)
Starting: Electric
Max Power: 50 hp / 36.5 kW @ 10500 rpm
Max Torque: 3.6 kgf-m @ 9000 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 6 Speed
Final Drive: Chain
Frame: Iron, Double cradle frame
Front Suspension: 38mm Telescopic forks
Front Wheel Travel: 130 mm / 5.1 in
Rear Suspension: Swinging arm, single shock adjustable for spring preload
Rear Wheel Travel: 100 mm / 3.9 in
Front Brakes: 2x discs

Rear Brakes: Single disc
Front Tyre: 110/70-17
Rear Tyre: 130/70-17
Dry Weight: 177 kg / 390 lbs
Fuel Capacity: 16 Litres / 3.9 US gal


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