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Classic · 1977

KH 250

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MotoLibrary Score
42 /100 Commuter
Power
26 HP
Top Speed
138 km/h
Engine
249 ccm

1977 Kawasaki KH 250 Technical Analysis & Specification Breakdown

Positioned in Kawasaki's classic motorcycle lineup, the 1977 Kawasaki KH 250 pairs a 249 cc (15.2 cu in) air-cooled in-line three, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 26 HP (19 kW) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 104.4 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the KH 250 measures 175 kg (386 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.73 kg per horsepower). The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 138 km/h (86 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 4 indexed model years from 1975 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
104.4 HP/L
Power-to-Weight
0.15 HP/kg (6.73 kg/HP)
Engine
Displacement 249.0 ccm (15.19 cubic inches)
Engine Type In-line three, two-stroke
Engine Details In-line three, two-stroke
Power 26.0 HP (19.0 kW)) @ 7000 RPM
Compression 7.5:1
Bore x Stroke 45.0 x 52.3 mm (1.8 x 2.1 inches)
Fuel Control Port control
Cooling Air
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Performance
Top Speed 138.0 km/h (85.7 mph)
Wheels & Brakes
Front Tyre 3.00-18
Rear Tyre 3.50-18
Front Brakes Single disc
Rear Brakes Expanding brake
Dimensions & Weight
Weight incl. 175.0 kg (385.8 pounds)
Fuel Capacity 14.00 litres (3.70 US gallons)
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Power
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Fuel Capacity
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Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
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Beginner
A2 license compatible, manageable power.
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