Kawasaki ZXR 400 (1990)

The Kawasaki ZX-R 400 motorcycle was released in 1990 and features a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 399cc/24.3 cu-in. It has a compression ratio of 12.0:1 and uses 4x Keihin CVKD30 carburetors for induction. The ignition system is transistorized and the bike has an electric starter. It can produce a maximum power of 59hp @12,000 rpm and a torque of 40 Nm @10,000 rpm. The clutch is wet multi-disc and the transmission is 6-speed with a final drive of a chain. The frame is an aluminum diamond tubular, double cradle with 41mm upside-down Showa forks at the front and Uni-Trek adjustable preload with rebound damping at the rear suspension. The front brakes of the bike have 2x 300mm discs with a 4-piston caliper while the rear brake has a single 240mm disc with a 2-piston caliper. The bike has a wheelbase of 1395mm/54.9in and weighs 160 kg/352.7 lbs (dry) and 177 kg/390 lbs (wet). The fuel capacity of the bike is 16 liters/4.2 US gallons and the average consumption is 18.7 km/lit. When tested, the bike’s braking from 60-0 took 12.5m while 100-0 took 36.9m. Its standing 1/4 mile record is 12.2 sec while its maximum speed was clocked at 215.1 km/h or 133.5 mph. The Kawasaki ZX-R 400 received positive road test reviews from Motosprint in both 1990 and 1991.


Technical specifications:

Make Model: Kawasaki ZX-R 400

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
Consumption Average: 18.7 km/lit
Braking 60 – 0 / 100 – 0: 12.5 m / 36.9 m
Standing 1/4 Mile: 12.2 sec / 170.3 km/h
Top Speed: 215.1 km/h / 133.5 mph
Road Test: Motosprint 1990 Motosprint 1991

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