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Kawasaki Specifications

Kawasaki GPz 400R (1988-89)

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Kawasaki GPz 400R (1988-89)

At a glance

Capacity
399 cc / 24.3 cu-in
Power
59 hp / 44 kW @ 12000 rpm
Torque
3.6 kgf-m / 26.0 lb-ft @ 10500 rpm
Seat height
770 mm / 30.3 in

The full picture.

The Kawasaki GPz 400R, also known as the ZX 400, was produced from 1988-89. It features a liquid-cooled four-stroke, transverse four-cylinder, DOHC engine with a capacity of 399cc and a compression ratio of 11.5:1. The induction system is made up of four Keihin CVKD30 carburetors, with CDI being used for ignition. The motorcycle has an electric starter with a maximum power output of 59 hp at 12,000 rpm and max torque of 3.6 kgf-m at 10,500 rpm. The bike also comes with a wet multi-disc clutch and six-speed transmission, with the final drive being a chain gear ratio. Its frame is an aluminum diamond tubular, double cradle with a secondary reduction ratio of 2.933 (44/15) and a total reduction ratio of 7.154 (6-speed). Suspension consists of 41mm telescopic forks in the front and a rising rate monoshock in the rear. The GPz 400R has a front brake system made up of two 300mm discs with four-piston calipers and a single 240mm disc with one piston caliper in the rear. Other features include front and rear tires measuring 100/90-16 and 130/90-16, respectively, with a rake of 24 degrees and 87mm trail. The motorcycle has a wheelbase of 1395mm and a dry weight of 176kg, with a fuel capacity of 16 litres.


Technical specifications:

Make Model: Kawasaki GPz 400R / ZX 400

Motorcycle technical specifications
Year1988 – 89
EngineFour stroke, transverse four cylinder, DOHC, 4 Valve per cylinder.
Capacity399 cc / 24.3 cu-in
Bore x Stroke57 x 39 mm
Cooling SystemLiquid cooled
Compression Ratio11.5:1
Induction4x Keihin CVKD30 carburetors
IgnitionCDI
StartingElectric
Max Power59 hp / 44 kW @ 12000 rpm
Max Torque3.6 kgf-m / 26.0 lb-ft @ 10500 rpm
ClutchWet multi disc
Transmission6 Speed
Final DriveChain
Gear Ratio1st 2,571 2nd 1,777 3rd 1,38 4th 1,125 5th 0,961 6th 0,851
FrameAluminum diamond tubular, double cradle
Secondary Reduction Ratio2.933 (44/15)
Total Reduction Ratio(6-speed) 7.154
Front Suspension41mm Telescopic forks
Rear SuspensionRising rate monoshock
Front Brakes2x 300mm discs 4 piston calipers
Rear BrakesSingle 240mm disc 1 piston caliper
Front Tyre100/90-16
Rear Tyre130/90-16
Rake24~A degrees
Trail87mm / 3.4 in
Wheelbase1395 mm / 54.9 in
Seat Height770 mm / 30.3 in
Dry Weight176 kg / 388 lbs
Fuel Capacity16 Litres / 4.2 US gal