Kawasaki ZX400 (1988)

The Kawasaki ZX-4 F3 motorcycle was produced in 1988 and has a four stroke, transverse four cylinder, DOHC, 4 valve per cylinder engine with a 399cc capacity. It has a compression ratio of 11.5:1, 4x Keihin CVKD30 carburettors and CDI ignition. The maximum power output is 59hp at 12000 rpm and the maximum torque is 3.6 kgf-m / 26.0 lb-ft at 10500rpm. The motorcycle has a wet multi disc clutch and a 6 speed transmission with a final drive of chain gear.

The frame is made from aluminum diamond tubular with a double cradle and the secondary reduction ratio is 2.933 (44/15) with a total reduction ratio of 7.154. The front suspension is 41mm telescopic forks and the rear suspension is rising rate monoshock. The brakes consist of 2x 300mm discs and 4 piston calipers for the front and a single 240mm disc and 1 piston caliper for the rear.

The front tyre size is 110/70-17 and the rear tyre size is 140/60-18 with a wheelbase of 1395 mm / 54.9 in and seat height of 765 mm / 30.1 in. The wet weight of the motorcycle is 177 kg / 390 lbs with a fuel capacity of 16 litres / 4.2 US gal.


Technical specifications:

Make Model: Kawasaki ZX-4 F3

Year: 1988


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: 11.5:1
Induction: 4x Keihin CVKD30 carburetors
Ignition: CDI
Starting: Electric
Max Power: 59 hp / 44 kW @ 12000 rpm
Max Torque: 3.6 kgf-m / 26.0 lb-ft @ 10500 rpm
Clutch: Wet multi disc
Transmission: 6 Speed
Final Drive: Chain
Gear Ratio: 1st 2,571 2nd 1,777 3rd 1,38 4th 1,125 5th 0,961 6th 0,851
Frame: Aluminum diamond tubular, double cradle

Secondary Reduction Ratio: 2.933 (44/15)
Total Reduction Ratio: (6-speed) 7.154
Front Suspension: 41mm Telescopic forks
Rear Suspension: Rising rate monoshock
Front Brakes: 2x 300mm discs 4 piston calipers
Rear Brakes: Single 240mm disc 1 piston caliper
Front Tyre: 110/70-17
Rear Tyre: 140/60-18
Wheelbase: 1395 mm / 54.9 in
Seat Height: 765 mm / 30.1 in
Wet Weight: 177 kg / 390 lbs
Fuel Capacity: 16 Litres / 4.2 US gal

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