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Classic · 1973

CB 350 F

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MotoLibrary Score
45 /100 Balanced
Power
34 HP
Top Speed
159 km/h
Engine
347 ccm

1973 Honda CB 350 F Technical Analysis & Specification Breakdown

Engineered by Honda for the classic motorcycle segment, the 1973 Honda CB 350 F pairs a 347 cc (21.2 cu in) air-cooled in-line four, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 34 HP (24.8 kW) at 9,200 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 98 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 CB 350 F measures 178 kg (392 lbs) wet (curb), translating to a power-to-weight ratio of 0.19 HP/kg (5.24 kg per horsepower). The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 159 km/h (99 mph).

Within MotoLibrary's Honda archive, this model family spans 2 indexed model years from 1973 to 1974, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
98 HP/L
Power-to-Weight
0.19 HP/kg (5.24 kg/HP)
Engine
Displacement 347.0 ccm (21.17 cubic inches)
Engine Type In-line four, four-stroke
Engine Details In-line four, four-stroke
Power 34.0 HP (24.8 kW)) @ 9200 RPM
Compression 9.3:1
Bore x Stroke 47.0 x 50.0 mm (1.9 x 2.0 inches)
Valves/Cylinder 2
Fuel Control Overhead Cams (OHC)
Cooling Air
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Performance
Top Speed 159.0 km/h (98.8 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. 178.0 kg (392.4 pounds)
Fuel Capacity 12.00 litres (3.17 US gallons)
More from Honda
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Power
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Fuel Capacity
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Brakes
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Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

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Beginner
A2 license compatible, manageable power.
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