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Kawasaki S3 400SS MKII

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, Ø 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

.

In 
  1974, the 400 S3 replaces the 350 S2. Upon arrival, the 400 S3 also replaces 
  the 350 S2 cuts in Kawasaki. This machine is not obtained by a simple 
  réalésage engine, but the purpose of deep reflection. 

  With the 400, Kawasaki did not seek the maximum power. Despite an engine 
  capacity above and carburetors largest (from 24 to 26 mm in diameter, the 
  power falls to 42 hp, but it is obtained 1000 rpm lower. This is the couple 
  that benefits of increased displacement, it rose from 4.00 to 4.32 mkg mkg, 
  but as power, it is obtained 1000 rpm lower. Kawasaki's efforts have made the 
  400 S3 exploitable that 350 S2. Engaging benefits a disk and pump oil is also 
  reviewed. 

  The chassis has also been a trend to provide greater stability through 
  increased hunting and the wheelbase. 

  Towards comfort, the engine is mounted in part through silentblocs. The 
  machine is therefore less sensitive to vibration. The general line, even if 
  the machine is always easily identifiable thanks to the 3 exhaust systems, is 
  now much more classic. 

  In 1975, Kawasaki S3A markets. The changes are primarily aesthetic. 

  1975 also lacks the end of the career of this medium-size machine. In 1976, a 
  victim of the oil crisis, it is replaced by the 400 KH.