Kawasaki EX400R (1991-95)
The Kawasaki GPX 400R or EX400 Ninja, manufactured between 1991 and 1995, has a liquid-cooled four-stroke parallel twin-cylinder engine with 4 valves per cylinder and a capacity of 398 cc. It has a compression ratio of 10.7:1 and a wet sump lubrication system, a carburetor induction method, and is equipped with TCI ignition. The motorcycle’s maximum power is 50 hp or 36.5 kW at 10500 rpm, while its maximum torque is 3.6 kgf-m at 9000 rpm. It’s transmission is 6-speed with a chain final drive. The iron frame is a double-cradle model with a 38mm telescopic fork for the front suspension, while the rear suspension is a swinging arm, single shock adjustable for spring preload type with a travel of 100mm. The motorcycle has single disc brakes on both the front and rear wheels, with 110/70-17 and 130/70-17 tires, respectively. The dry weight of the bike is 177 kg or 390 lbs, and it has a fuel capacity of 16 litres or 3.9 US gal.
Technical specifications:
Make Model: Kawasaki GPX 400R / EX400 Ninja
Year: 1991 – 95
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: Single disc
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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