Kawasaki Z400GP (1982)

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The Kawasaki Z400GP, also known as the GPz 400, was a motorcycle produced in 1982. Its engine was a four-stroke, transverse four-cylinder model with dual overhead cams and two valves per cylinder. Its capacity was 399 cubic centimeters, with a bore and stroke of 52 by 47 millimeters, and a compression ratio of 9.5:1. The Z400GP was cooled by air and had a 6-speed transmission with a chain final drive. It also featured 4 x 21mm Teir-Kei carburetors and CDI ignition, with an electric start. The maximum power output was 48 horsepower or 35 kilowatts at 10,500 revolutions per minute, with a peak torque of 34.3 Newton-meters or 25.2 pound-feet at 8,500 rpm.


The front suspension of the Z400GP consisted of telescopic forks, while the rear suspension was a swing arm design. Its front brakes were a single 236mm disc, with a single 140mm drum on the rear. The tires were 90/90-19 on the front and 110/90-18 on the rear. The dry weight was 179 kilograms or 394.6 pounds, and the fuel capacity was 15 liters or 3.9 US gallons.

Technical specifications:

Make Model: Kawasaki GPz 400 / Z400GP

Year: 1982
Engine: Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder.
Capacity: 399 cc / 24.3 cu-in
Bore x Stroke: 52 47mm
Cooling System: Air cooled
Compression Ratio: 9.5:1
Induction: 4 x 21mm Teir-Kei carburetors
Ignition: CDI
Starting: Electric
Max Power: 48 hp / 35 kW @ 10500 rpm
Max Torque: 34.3 Nm / 25.2 lb-ft @ 8500 rpm
Transmission: 6 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Rear Suspension: Swing arm


Front Brakes: Single 236mm disc
Rear Brakes: Single 140mm drum
Front Tyre: 90/90-19
Rear Tyre: 110/90-18
Dry Weight: 179 kg / 394.6 lbs
Fuel Capacity: 15 Litres / 3.9 US gal

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