Kawasaki GPZ400S (1988-89)

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The Kawasaki GPz 400S is a motorcycle that was produced from 1988 to 1989. It has a four-stroke, parallel twin-cylinder, DOHC engine that has a capacity of 399 cc. The cooling system is liquid-cooled and has a compression ratio of 10.7:1. It uses 4x Kelhin CVM30 carburetors and has CDI ignition, with an electric starting mechanism. The maximum power output is 50 hp at 10500 rpm and the maximum torque is 3.6 kgf-m at 9000 rpm. It has a wet multi-disc clutch and a 6-speed transmission with chain final drive. The frame is made from tubular double cradle (aluminum) and has telescopic forks and swing-arm rear suspension. The front brakes are single-disc and the rear brakes are single drum. The front tire size is 100/90-16, while the rear tire size is 120/90-16. The seat height is at 770 mm or 30.3 inches and has a dry weight of 169 kg or 372.5 lbs. The fuel capacity of the motorcycle is 15 liters or 3.9 US gallons.

Technical specifications:

Make Model: Kawasaki GPz 400S

Year: 1988 – 89


Engine: Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder.
Capacity: 399 cc / 24.3 cu-in
Bore x Stroke: 70 x 51 mm
Cooling System: Liquid cooled
Compression Ratio: 10.7:1
Induction: 4x Kelhin CVM30 carburetors
Ignition: CDI
Starting: Electric
Max Power: 50 hp / 36.5 kW @ 10500 rpm
Max Torque: 3.6 kgf-m / 26 lb-ft @ 9000 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: Tubular, double cradle (aluminium)

Front Suspension: Telescopic forks
Rear Suspension: Swing arm
Front Brakes: Single disc
Rear Brakes: Single drum
Front Tyre: 100/90-16
Rear Tyre: 120/90-16
Seat Height: 770 mm / 30.3 in
Dry Weight: 169 kg / 372.5 lbs
Fuel Capacity: 15 Litres / 3.9 US gal

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