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Kawasaki GPX 400R

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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 х 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