Kawasaki Z400FX (1978-79)

The Kawasaki Z 400FX motorcycle was produced from 1978 to 1979 with a four-stroke, transverse four-cylinder, DOHC, 2 valve per cylinder engine that has a capacity of 399cc/24.3 cu-in. It has a compression ratio of 9.5:1, uses 4x TKK 21P Teir-Kei carburetors for induction, and has battery and coil ignition with an electric starter. The maximum power output is 43 hp/32 kW at 10500 rpm, and the maximum torque is 3.5 kgf-m/25.3 lb-ft at 8500 rpm. The bike features a 6-speed transmission with chain final drive, and the gear ratios are 1st 2.57 (36/14), 2nd 1.78 (32/18), 3rd 1.38 (29/21), 4th 1.13 (27/24), 5th 0.96 (25/26), and 6th 0.85 (23/27). In terms of suspension and brakes, the Z 400FX has telescopic forks at the front and a swinging arm fork with shock absorbers at the rear. It has a single 236mm disc at the front and a single 140mm drum at the rear. The bike features a wheelbase of 1380mm/54.3in and ground clearance of 145mm/5.7in, a dry weight of 189kg/416.6lbs, and a fuel capacity of 15 liters/3.9 US gal.

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Technical specifications:

Make Model: Kawasaki Z 400FX

Year: 1978 – 79

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 TKK 21P Teir-Kei carburetors

Ignition: Battery & coil

Starting: Electric

Max Power: 43 hp / 32 kW @ 10500 rpm

Max Torque: 3.5 kgf-m / 25.3 lb-ft @ 8500 rpm

Transmission: 6 Speed

Final Drive: Chain

Gear Ratio: 1st 2.57 (36/14) 2nd 1.78 (32/18) 3rd 1.38 (29/21) 4th 1.13 (27/24) 5th 0.96 (25/26) 6th 0.85 (23/27)

Front Suspension: Telescopic forks

Rear Suspension: Swinging arm fork with shock absorbers.

Front Brakes: Single 236mm disc

Rear Brakes: Single 140mm drum

Front Tyre: 3.25-19

Rear Tyre: 3.75-18

Wheelbase: 1380 mm / 54.3 in

Ground Clearance: 145 mm / 5.7 in

Dry Weight: 189 kg / 416.6 lbs

Fuel Capacity: 15 Litres / 3.9 US gal