Kawasaki S3 400 (1974)

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The Kawasaki S3 400SS MKII is a motorcycle manufactured in 1974 with a two stroke, transverse three cylinder engine with a capacity of 399 cc. Its compression ratio is 6.5:1 and it uses a battery and coil for ignition with a kick starting mechanism. The motorcycle has a maximum power of 42 hp at 7,000 rpm with a maximum torque of 4.32 m-kg at 6,500 rpm. The transmission is a five speed mechanism with a chain final drive. The frame of the bike is a double tubular steel cradle and it has telescopic hydraulic forks as the front suspension and dual shocks with swing arm as the rear suspension. The front brakes feature a single 277mm disc with a rear braking system of 180mm drum. Its wheelbase is 1364mm and it has a ground clearance of 153mm. The wet weight of the bike is 160kg and it has a fuel capacity of 14 litres. The Kawasaki S3 400SS MKII was also featured in a bike group test.

Technical specifications:

Make Model: Kawasaki S3 400SS MKII

Year: 1974


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

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