Kawasaki KH400

Kawasaki KH400

The Kawasaki KH400 is a classic two-stroke motorcycle from the 1970s, known for its performance-oriented design and distinctive features. Produced by Kawasaki, this bike was part of the KH series, which gained popularity for its agility and powerful engines.

Key Features:

  1. Engine: The KH400 is powered by a two-stroke, air-cooled, triple-cylinder engine. This configuration was known for delivering strong performance and a distinctive exhaust note.
  2. Capacity: With a displacement of 400 cc, the engine provided a balance of power and maneuverability suitable for both street riding and more spirited excursions.
  3. Bore x Stroke: The engine’s bore and stroke dimensions contribute to its overall performance characteristics. These specifications are crucial in determining the engine’s responsiveness and torque delivery.
  4. Cooling System: The air-cooled design ensures efficient heat dissipation, maintaining optimal operating temperatures during various riding conditions.
  5. Compression Ratio: The compression ratio plays a role in the engine’s efficiency and power delivery. The KH400 featured a compression ratio designed to maximize performance.
  6. Induction and Ignition: Carburetors were used for induction, providing the necessary fuel-air mixture for combustion. Ignition was typically managed through a points-based system.
  7. Transmission: Equipped with a multi-speed transmission, the KH400 allowed riders to shift through gears smoothly, offering versatility for different riding situations.
  8. Suspension: The motorcycle featured a suspension system designed to balance comfort and handling. Telescopic forks in the front and dual shocks in the rear provided adequate damping.
  9. Brakes: Both front and rear brakes were typically drum-type, offering sufficient stopping power for the bike’s size and performance capabilities.
  10. Wheels and Tires: Fitted with appropriate wheels and tires, the KH400 aimed to provide stability and traction on a variety of road surfaces.
  11. Weight: The weight of the KH400 influenced its handling characteristics, and Kawasaki aimed to strike a balance between agility and stability.
  12. Styling: Reflecting the design trends of its era, the KH400 featured a classic aesthetic with distinctive graphics and color schemes, making it visually appealing to riders.

The Kawasaki KH400, with its two-stroke triple-cylinder engine and performance-oriented design, represented an era when two-strokes were popular for their thrilling ride experiences. It remains a sought-after classic for motorcycle enthusiasts appreciative of its distinctive characteristics and historical significance in the motorcycling world.

EngineTwo stroke, transverse three cylinder, piston valve
Capacity400.4 cc / 24.4 cu-in
Bore x Stroke57 x 52.7 mm
Cooling SystemAir cooled
Compression Ratio6.5:1
Induction3x Mikuni VM26SC, Ø 26 mm carburetors
IgnitionBattery and coil
Max Power38 hp / 28.3 kW @ 7000 rpm
Max Torque3.9 kgf-m / 28.2 lb-ft @ 6500 rpm
Transmission5 Speed
Final DriveChain
FrameDouble tubular steel cradle
Front SuspensionTelescopic Hydraulic forks
Rear SuspensionDual shocks, Swing arm
Front BrakesSingle 250mm disc
Rear Brakes180mm Drum
Front Tyre3.25-18
Rear Tyre3.50-18
DimensionsLength 2024 mm / 79.7 in, Width 820 mm / 32.3 in
Wheelbase1364 mm / 53.7 in
Ground Clearance150 mm / 5.9 in
Dry Weight162 kg / 357 lbs
Fuel Capacity16 Litres / 4.2 US gal
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