Back to Bike FinderYears: 1953 · 1952 · 1951 · 1950
Hercules 311
1953Sportbike

Hercules 311

Key specifications

Engine
123 cc
Power
5 HP
Weight
90 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### 1953 Hercules 311: A Classic Sportster Rediscovered The 1953 Hercules 311 holds a special place in the hearts of motorcycle enthusiasts and collectors alike. Nestled within the sport category, this vintage beauty is a testament to post-war engineering, designed for riders seeking both performance and style. With its sleek lines and understated aesthetics, the Hercules 311 was built for those who craved the thrill of the open road, offering a unique blend of agility and charm that has stood the test of time. As one of the distinctive offerings from Hercules, this model stands out, appealing to both vintage motorcycle collectors and those simply yearning for a slice of history. Under the skin of the Hercules 311 lies a spirited 123cc single-cylinder, two-stroke engine that delivers a delightful 5 horsepower at 5,000 RPM. While numbers may seem modest by today’s standards, the lightweight frame, tipping the scales at just 90 kg (198.4 pounds), allows this machine to reach a top speed of 75 km/h (46.6 mph). Riders will appreciate the nimble handling, aided by the bike's chain final drive and air-cooled carburettor, which ensure a responsive acceleration and a thrilling ride through winding roads. The unique bore and stroke of 52.0 x 58.0 mm contribute to its peppy performance, making every journey feel spirited. The Hercules 311 is not just about engine prowess; it boasts a variety of features that enhance both comfort and control. The telescopic front suspension provides a smooth ride over uneven terrain, while the rigid rear suspension offers stability at higher speeds. Its reliable drum brakes—both front and rear—provide adequate stopping power, ensuring that riders feel confident even when pushing the limits. Additionally, the classic design is complemented by utilitarian elements that reflect the era's aesthetic, making it a true head-turner on any street. ####

Pros

    Cons

    • Lightweight & Agile: At just 90 kg, the Hercules 311 offers excellent maneuverability, making it an ideal choice for both city riding and spirited weekend jaunts.
    • Classic Aesthetic: The vintage design appeals to collectors and enthusiasts who appreciate the charm of mid-20th-century motorcycles.
    • Peppy Performance: The 123cc engine provides sufficient power for a fun riding experience without overwhelming novice riders.
    • Limited Top Speed: With a maximum speed of 75 km/h, it may not satisfy those looking for high-speed thrills or highway performance.
    • Basic Suspension: The rigid rear suspension may not provide the comfort that some riders desire during longer journeys.
    • Maintenance Needs: Being a vintage model, parts may be harder to find, requiring dedicated effort for repairs and upkeep.

    Technical details

    Source specification data

    Make
    Hercules
    Model
    311
    Category
    Sport
    Power
    5.00 HP (3.6 kW)) @ 5000 RPM
    Top Speed
    75.0 km/h (46.6 mph)
    Fuel System
    Carburettor
    Bore X Stroke
    52.0 x 58.0 mm (2.0 x 2.3 inches)
    Displacement
    123.00 ccm (7.51 cubic inches)
    Cooling System
    Air
    Engine Details
    Single cylinder, two-stroke
    Transmission Type Final Drive
    Chain
    Dry Weight
    90.0 kg (198.4 pounds)
    Power Weight Ratio
    0.0556 HP/kg
    Seat
    Single
    Wheels
    Spoked
    Rear Tyre
    2.50-19
    Front Tyre
    2.50-19
    Rear Brakes
    Expanding brake (drum brake)
    Front Brakes
    Expanding brake (drum brake)
    Rear Suspension
    Rigid
    Front Suspension
    Telescopic