Kawasaki KH400: review, history, specs
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.
Manufacturer | Kawasaki |
---|---|
Also called | KH 400 |
Production | 1976 - 1978 |
Predecessor | Kawasaki S3 |
Class | Naked |
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) |
Horse Power | 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 |
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) |
Dimensions | L 79.69 inches (2024 mm) W 32.28 inches (820 mm) |
Weight | (dry), 177.0 kg (wet) |
Fuel capacity | 3.7 Gallon (14.00 Liters) |
Manuals | Service Manual |
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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
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
The bike has a 5-speed transmission. Power was moderated via the Wep multi-discs.
Chassis
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
- 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
- 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
- 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.