Kawasaki ZXR 400 (1990)

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The Kawasaki ZXR 400 (1990) is a four-stroke, transverse four-cylinder, DOHC motorcycle with a 399cc capacity and a liquid cooling system. It has a compression ratio of 12.0:1, and 4x Keihin CVKD30 carburetors for induction. The bike starts with an electric ignition and has a maximum power of 59hp/44kW @ 12000rpm and a maximum torque of 40Nm/29.5lb-ft @ 10000rpm.

The clutch is a wet multi-disc and the transmission is 6-speed. The final drive is through a chain. The bike has an aluminum diamond tubular, double-cradle frame, and a front suspension consisting of 41 mm upside-down Showa forks that are adjustable for preload and rebound damping. The Uni-Trek rear suspension is also adjustable and has rebound damping.

The front brakes come with two 300mm discs with four-piston calipers while the rear brakes consist of a single 240mm disc with two-piston calipers. The front and rear tires have dimensions of 120/60-17 and 160/60-17, respectively, with a wheelbase of 1395mm/54.9in and a seat height of 765mm/30.1in.

The dry weight of the bike is 160kg/352.7lbs, with a wet weight of 177kg/390lbs. The bike has a fuel capacity of 16 litres/4.2 US gal.

Technical specifications:

Make Model: Kawasaki ZX-R 400-SP

Year: 1990


Engine: Four stroke, transverse four cylinder, DOHC, 4 Valve per cylinder.
Capacity: 399 cc / 24.3 cu-in
Bore x Stroke: 57 39 mm
Cooling System: Liquid cooled
Compression Ratio: 12.0:1
Induction: 4x Keihin CVKD30 carburetors
Ignition: Transistorized
Starting: Electric
Max Power: 59 hp / 44 kW @ 12000 rpm
Max Torque: 40 Nm / 29.5 lb-ft @ 10000 rpm
Clutch: Wet multi disc
Transmission: 6 Speed
Final Drive: Chain
Frame: Aluminum diamond tubular, double cradle
Front Suspension: 41mm Upside down Showa forks. adjustable preload with rebound damping.

Rear Suspension: Uni-Trek adjustable preload with rebound damping.
Front Brakes: 2x 300mm discs 4 piston calipers
Rear Brakes: Single 240mm disc 2 piston caliper
Front Tyre: 120/60-17
Rear Tyre: 160/60-17
Wheelbase: 1395 mm / 54.9 in
Seat Height: 765 mm / 30.1 in
Dry Weight: 160 kg / 352.7 lbs
Wet Weight: 177 kg / 390 lbs
Fuel Capacity: 16 Litres / 4.2 US gal

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