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Kawasaki Specifications

Kawasaki GPZ400R (1986)

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Kawasaki GPZ400R (1986)

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, is a motorcycle model created in 1986 by Kawasaki. The bike runs on a four-stroke, transverse four-cylinder, DOHC engine with 4 valves per cylinder, with a 399cc capacity and bore x stroke of 57 39 mm. It is a liquid-cooled engine with a compression ratio of 11.5:1 and is powered by 4 Keihin CVKD30 carburetors. The ignition is CDI and the starting method is electric. The maximum power achieved is 59 hp / 44 kW @ 12000 rpm, with a maximum torque of 3.6 kgf-m / 26.0 lb-ft @ 10500 rpm. The clutch is a wet multi-disc, and the transmission has 6 speeds with a final drive of Chain Gear Ratio. The motorcycle’s frame is made of aluminum diamond tubular, double cradle, with a front suspension of 41mm telescopic forks, and the rear suspension is a rising rate monoshock. The front brakes consist of 2x 300mm discs with 4 piston calipers, while the rear brake is a single 240mm disc with 1 piston caliper. The front and rear tires are 100/90-16 and 130/90-16, respectively, and the bike has a rake of 24 degrees and a trail of 87mm / 3.4 in. The wheelbase is 1395 mm / 54.9 in and the seat height is 770 mm / 30.3 in. The dry weight of the motorcycle is 176 kg / 388 lbs, and the fuel capacity is 16 Litres / 4.2 US gal.


Technical specifications:

Make Model: Kawasaki GPz 400R / ZX 400

Motorcycle technical specifications
Year1986
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