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← Hercules
Sport · 1951

314

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MotoLibrary Score
36 /100 Commuter
Power/Weight
0.07 hp/kg
Top Speed
85 km/h
Engine
174 ccm

1951 Hercules 314 Technical Analysis & Specification Breakdown

Built around Hercules's sport motorcycle platform, the 1951 Hercules 314 features a 174 cc (10.6 cu in) air-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 8.5 HP (6.2 kW) at 4,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 48.9 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the 314 measures 118 kg (260 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (13.88 kg per horsepower). The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 85 km/h (53 mph).

Within MotoLibrary's Hercules archive, this model family spans 2 indexed model years from 1951 to 1952, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
48.9 HP/L
Power-to-Weight
0.07 HP/kg (13.88 kg/HP)
Engine
Displacement 174.0 ccm (10.62 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 8.5 HP (6.2 kW)) @ 4500 RPM
Bore x Stroke 58.0 x 66.0 mm (2.3 x 2.6 inches)
Fuel System Carburettor. Bing 22mm
Cooling Air
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 85.0 km/h (52.8 mph)
Chassis
Front Suspension Telescopic
Wheels & Brakes
Front Tyre 3-19
Rear Tyre 3-19
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 118.0 kg (260.1 pounds)
Power/Weight 0.0720 HP/kg
Fuel Capacity 13.00 litres (3.43 US gallons)
Other
Starter Kick
More from Hercules
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏁
Best For
Sport & Track
⚖️
Handling
Very lightweight — easy to handle
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