Kawasaki S3 400 (1975)

The Kawasaki S3 400SS MKII is a two-stroke, transverse three-cylinder motorcycle manufactured in 1975. It has a 399 cc engine with a compression ratio of 6.5:1, induction via 3x Mikuni VM26SC, 26 mm carbs and ignition powered by battery and coil. The bike has a maximum power of 42 hp at 7000 rpm and maximum torque of 4.32 m-kg at 6500rpm. The bike’s transmission is a 5-speed and final drive is via chain. The bike has double tubular steel cradle frame with telescopic hydraulic forks to the front and dual shocks, swing arm at the rear. The front brake is a single 277mm disc with a 180mm drum for the rear. It has a wheelbase of 1364 mm / 53.7 in and a ground clearance of 153 mm / 6.0 in. The wet weight of the bike is 160 kg / 353 lbs and it has a fuel capacity of 14 Litres / 3.7 US gals. The bike was included in a Road Test Bike Group Test.

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Technical specifications:

Make Model: Kawasaki S3 400SS MKII

Year: 1975

Engine: Two stroke, transverse three cylinder

Capacity: 399 cc / 24.3 cu-in

Bore x Stroke: 57 x 52.3 mm

Cooling System: Air cooled

Compression Ratio: 6,5:1

Induction: 3x Mikuni VM26SC, 26 mm carbs

Ignition: Battery and coil

Starting: Kick

Max Power: 42 hp @ 7000 rpm

Max Torque: 4.32 m-kg @ 6500rpm

Transmission: 5 Speed

Final Drive: Chain

Frame: Double tubular steel cradle

Front Suspension: Telescopic Hydraulic forks

Rear Suspension: Dual shocks, Swing arm

Front Brakes: Single 277mm disc

Rear Brakes: 180mm Drum

Front Tyre: 3.25 -18

Rear Tyre: 3.50 -18

Wheelbase: 1364 mm / 53.7 in

Ground Clearance: 153 mm / 6.0 in

Wet Weight: 160 kg / 353 lbs

Fuel Capacity: 14 Litres / 3.7 US gal

Road Test: Bike Group Test