MotorcycleSpecifications.com

The motorcycle referenceMakes / Models / Technical data

Kawasaki Specifications

Kawasaki GPZ400R (1985)

Entry updated

Kawasaki GPZ400R (1985)

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 or ZX 400 was a motorcycle produced in 1985. It had a liquid-cooled, four-stroke, transverse four-cylinder engine with a capacity of 399cc and a compression ratio of 11.5:1. The induction system included 4 Keihin CVKD30 carburetors and an ignition system with CDI. The bike had an electric starter and could produce a maximum power of 59 hp at 12000 rpm and torque of 3.6 kgf-m at 10500 rpm. The clutch was a wet multi-disc type, and the transmission had six gears with a final drive by chain. The aluminum diamond tubular, double-cradle frame was used with a rising rate monoshock for the rear suspension and telescopic forks at the front. The braking system included a dual-disc system at the front and a single disc with a piston caliper at the rear. The GPz 400R had a wheelbase of 1395 mm, a dry weight of 176 kg, and a fuel tank capacity of 16 litres. The front tire was 100/90-16, and the rear was 130/90-16. The rake was set at 24 degrees, and the trail at 87mm or 3.4 inches. The seat height was 770 mm or 30.3 inches. Overall, the Kawasaki GPz 400R was a high-performance bike with remarkable handling, acceleration, and braking, making it a popular racing and touring motorcycle.


Technical specifications:

Make Model: Kawasaki GPz 400R / ZX 400

Motorcycle technical specifications
Year1985
EngineFour stroke, transverse four cylinder, DOHC, 4 Valve per cylinder.
Capacity399 cc / 24.3 cu-in
Bore x Stroke57 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 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