Kawasaki GPZ400F Naked (1985)

In 1985, Kawasaki released the GPZ400F-II motorcycle. It is equipped with a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 399cc. The engine has a compression ratio of 9.5:1 and is cooled by air. The bike is ignited by CDI and can start with an electric power source. It generates a maximum power of 54 horsepower or 40.2 kilowatts at 11,500 RPM and a maximum torque of 34.3 Newton-meters or 25.2 pound-feet at 8,500 RPM. The motorcycle uses 4x21mm Teir-Kei carburetors for induction with a 6-speed transmission and chain as its final drive component. It weighs 179 kilograms or 394.6 pounds and can carry up to 15 liters or 3.9 US gallons of fuel. The front suspension system includes telescopic forks and the rear suspension consists of a swing arm. The braking system features a single 236mm disc brake on the front and a single 140mm drum brake on the rear. The front wheel is 90/90-19 inches and the rear wheel is 110/90-18 inches.

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Technical specifications:

Make Model: Kawasaki GPz 400F-II

Year: 1985

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: 54 hp / 40.2 kW @ 11500 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