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Hercules 322
1954Sportbike

Hercules 322

Key specifications

Engine
246 cc
Power
15 HP
Weight
159 kg
Fuel type
petrol
Fuel capacity
3.7 L
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1954 Hercules 322, a remarkable example of mid-20th-century motorcycle engineering that effortlessly blends sportiness with the charm of classic design. Positioned as a lightweight contender in the sport category, the Hercules 322 was designed for riders who craved agility and performance without sacrificing practicality. With its iconic aesthetics and a spirit that embodies the freedom of the open road, this motorcycle is not just a machine; it's a piece of history that continues to captivate enthusiasts and collectors alike. At the heart of the Hercules 322 lies a robust twin-cylinder, two-stroke engine with a displacement of 246cc, generating an impressive 15.1 horsepower at 5,000 RPM. This power translates into a top speed of 120 km/h (74.6 mph), making it an exhilarating ride for its time. The engine's configuration, combined with a 24mm Bing carburettor and air cooling, ensures lively throttle response and a distinctive two-stroke soundtrack that motorcycle purists adore. The lightweight frame, tipping the scales at just 159 kg (350.5 pounds), offers exceptional maneuverability, allowing riders to tackle twisty roads with confidence while enjoying a dynamic riding experience. The Hercules 322 is loaded with features that reflect the ingenuity of its era. Its suspension system comprises a telescopic front fork and a swingarm rear setup, providing a comfortable ride while effectively absorbing bumps on the road. The expanding drum brakes, both front and rear, offer reliable stopping power, essential for spirited riding. The 14-litre fuel tank ensures that adventurers can cover considerable distances without frequent stops, making the 322 a practical companion for both city commutes and weekend getaways. Additionally, the classic kick starter adds to the nostalgia, connecting riders to the roots of motorcycling heritage. **

Pros

  • Lightweight and Agile: The low weight enhances handling and maneuverability, making it ideal for both novice and experienced riders.
  • Classic Two-Stroke Performance: The twin, two-stroke engine delivers a spirited ride, coupled with a unique sound that appeals to enthusiasts.
  • Timeless Design: Its vintage aesthetics and classic lines make the Hercules 322 a standout piece for collectors and vintage motorcycle lovers.

Cons

  • Limited Power Output: While sufficient for casual riding, the 15.1 HP may feel underwhelming for those seeking high-performance thrills.
  • Drum Brakes: The expanding drum brakes are less effective than modern disc brakes, which may affect stopping performance in critical situations.
  • Kick Start Only: The absence of an electric starter can be a drawback for riders accustomed to the convenience of modern motorcycles, making it less practical for everyday use.

Technical details

Source specification data

Make
Hercules
Model
322
Category
Sport
Starter
Kick
Power
15.10 HP (11.0 kW)) @ 5000 RPM
Top Speed
120.0 km/h (74.6 mph)
Fuel System
Carburettor. Bing 24mm
Bore X Stroke
52.0 x 58.0 mm (2.0 x 2.3 inches)
Displacement
246.00 ccm (15.01 cubic inches)
Cooling System
Air
Engine Details
Twin, two-stroke
Transmission Type Final Drive
Chain
Dry Weight
159.0 kg (350.5 pounds)
Fuel Capacity
14.00 litres (3.70 gallons)
Power Weight Ratio
0.0950 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
3.25-19
Front Tyre
3.25-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swingarm
Front Suspension
Telescopic