Kawasaki KH400: review, history, specs

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Kawasaki KH400
Manufacturer
Also called KH 400
Production 1976 - 1978
Class Standard
Predecessor Kawasaki S3
Engine
in-line three, two-stroke
Bore / Stroke 57.0mm x 52.3mm
Compression ratio 6.5:1
Top Speed 103 mph (166 km/h)
Horsepower 37.15 HP (27.7 KW) @ 7000RPM
Torque 28.03 ft/lbs (38.0 Nm) @ 6500RPM
Fuel System Carburetors
Battery 6.5:1
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: Wep multi-discs
Suspension Front: Telescopic hydraulic forks
Rear: Dual shocks, Swing arm
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.25-18
Rear Tire 3.50-18
Wheelbase 53.7 inches (1364 mm)
Length 79.69 inches (2024 mm)
Width 32.28 inches (820 mm)
Weight 177.0 kg (wet)
Fuel Capacity 3.7 Gallon (14.00 Liters)
Related Kawasaki H1
Manuals Service Manual

Reviews ·

The Kawasaki KH400 was a 400cc, 2-stroke, street motorcycle manufactured by Kawasaki from 1976 through 1978. The KH400 was the successor to the Kawasaki S3. It could reach a top speed of 103 mph (166 km/h). Max torque was 28.03 ft/lbs (38.0 Nm) @ 6500 RPM. Claimed horsepower was 37.15 HP (27.7 KW) @ 7000 RPM.

Changes between the S3 and KH400 was in the lowering of horsepower, color, markings, carburetor settings, handlebar grips, and spark plug. A CDI ignition was added as well as water-resistant brake pads, and three-fuse system adopted.

Engine[edit]

The engine was a air cooled in-line three, two-stroke. A 57.0mm bore x 52.3mm stroke result in a displacement of just 400.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit]

The bike has a 5-speed transmission. Power was moderated via the Wep multi-discs.

Chassis[edit]

It came with a 3.25-18 front tire and a 3.50-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a Telescopic hydraulic forks while the rear was equipped with a Dual shocks, Swing arm. The KH400 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 53.7 inches (1364 mm) long.


1976 KH400-A3[edit]

  • Maximum Horsepower:
  • 38 HP @ 7,000 rpm
  • (W) 36 HP @ 7,000 spm
  • Spark Plug: NGK B8HS
  • Color
  • Fuel Tank: Dark Green, Orange
  • Front Fender: Chrome
  • Engine No.: S3EO26300-
  • Frame No.: S3F-26200-
  • Parts Catalogue No.: 99997-624-52S, (G) 99997-624-53S, (E) 99997-669 plus 99997-669-01R
  • Owner's Manual No.: 99997-878-00
  • Shop Manual No.: 99931-500-00
  • Major Changes: Model code change for the Kawasaki S3. Color, marking, carburetor setting, grips, and spark plug. CDI ignition system, locking tank cap,

1977 KH400-A4[edit]

1977 Kawasaki KH400-A4


  • Color
  • Fuel Tank: Candy Emerald Green, Candy
  • Royal Purple
  • Front Fender: Chrome
  • Engine No.: S3E033601-
  • Frame No.: S3F-033601-
  • Parts Catalogue No. : 99997-624-54S, (E) 99997-669-50S plus 99997-669-02R
  • Owner's Manual No.: 99932-003-00
  • Shop Manual No.: 99931-500-00
  • Major Changes: Color and marking.


1978 KH400-A5[edit]

1978 Kawasaki KH400-A5


  • Color
  • Fuel Tank: Candy Persimmon Red, Candy
  • Lime Green
  • Front Fender: Chrome
  • Engine No.: S3E042801-
  • Frame No.: S3F-042801-
  • Parts Catalogue No.: 99997-624-558, (E) 99997-669-51S
  • Owner's Manual No. : 99920-1024-00, (E) 99920-1015-00
  • Shop Manual No.: 99931-500-00
  • Major Changes: Color, marking, seat, and brake master cylinder.



Photos[edit]

1976 - 1980 Kawasaki KH 400 1976 - 1980 Kawasaki KH 400

In Media[edit]