Kawasaki ZXR 400 (1989-90)

The Kawasaki ZXR 400 motorcycle was produced in 1989 and 1990. It has a liquid-cooled, four-stroke, transverse four-cylinder engine with a capacity of 399 cc (24.3 cu-in). The bike has a compression ratio of 12.0:1 and uses a 4x Keihin CVKD30 carburetor system. The ignition is transistorized and the bike has an electric starter. The ZXR 400 has a maximum power of 59 hp (44 kW) at 12000 rpm and a maximum torque of 40 Nm (29.5 lb-ft) at 10000 rpm. It has a six-speed transmission with chain final drive.

The bike has an aluminum diamond tubular, double cradle frame and features an adjustable preload with rebound damping on the front and rear suspension. The front brakes consist of 2x 300mm discs with four-piston calipers, while the rear brake is a single 240mm disc with a two-piston caliper. The front tire is 120/60-17, while the rear tire is 160/60-17. The wheelbase of the bike is 1395 mm (54.9 in) and it has a seat height of 765 mm (30.1 in).

The dry weight of the bike is 160 kg (352.7 lbs), while the wet weight is 177 kg (390 lbs). It has a fuel capacity of 16 liters (4.2 US gal) and an average fuel consumption of 18.7 km/lit. The braking distance for 60-0/100-0 km/h is 12.5 m/36.9 m, and the standing quarter-mile test was completed in 12.2 sec at 170.3 km/h. The top speed of the ZXR 400 is 215.1 km/h (133.5 mph). It was road tested by Motosprint in 1990 and 1991.

---

Technical specifications:

Make Model: Kawasaki ZX-R 400

Year: 1989 – 90

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