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Hercules 322
1955Sportbike

Hercules 322

Key specifications

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

Overview

Introducing the 1955 Hercules 322, a captivating blend of classic design and spirited performance that solidified its place in the hearts of motorcycle enthusiasts. As a member of Hercules' sport category, the 322 was crafted for riders seeking an exhilarating experience without sacrificing reliability. With its sleek lines and unmistakable vintage charm, this motorcycle stands out in a market filled with post-war innovations. The 322 caters to those who appreciate the art of riding, offering an exciting entry into the world of classic motorcycling. At the heart of the Hercules 322 lies a robust 246cc twin-cylinder, two-stroke engine that delivers a delightful 15.1 horsepower at 5000 RPM. This compact powerhouse propels the bike to a top speed of 120 km/h (74.6 mph), providing an adrenaline rush that is particularly enjoyable on winding roads. The air-cooled engine, paired with a Bing 24mm carburettor, ensures responsive throttle response and a thrilling ride. Coupled with its lightweight frame, weighing in at just 159 kg (350.5 pounds), the 322 boasts an impressive power-to-weight ratio that makes it nimble and agile, perfect for urban escapades or spirited weekend rides. The Hercules 322 is equipped with features that reflect the technological advancements of its time while retaining a classic appeal. The telescopic front suspension and swingarm rear suspension provide a comfortable ride, absorbing bumps and ensuring stability even at speed. The drum brakes, while simple, offer reliable stopping power, allowing riders to navigate turns with confidence. This bike’s design philosophy emphasizes functionality and ease of handling, making it a perfect choice for both novice and experienced riders looking to explore the roads on a vintage machine. **

Pros

  • Classic Styling: The retro design and aesthetic appeal of the 322 make it a standout among vintage motorcycles, garnering admiration wherever it goes.
  • Lightweight and Nimble: Its low weight and agile handling enhance the riding experience, making it easy to maneuver through tight corners and urban traffic.
  • Engaging Engine Performance: The spirited two-stroke engine provides an exhilarating ride, perfect for those who crave the thrill of acceleration.

Cons

  • Limited Power Output: While enjoyable, the 15.1 HP may not satisfy riders seeking higher performance for long-distance touring or highway cruising.
  • Basic Brake Technology: The drum brakes, although reliable, may not provide the stopping power or responsiveness of modern disc brakes, especially in emergency situations.
  • Two-Stroke Engine Complexity: Maintenance may be slightly more demanding due to the unique characteristics of two-stroke engines, requiring more frequent attention compared to four-stroke counterparts.

Technical details

Source specification data

Make
Hercules
Model
322
Category
Sport
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)
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