Back to Bike FinderYears: 1956 · 1955 · 1954 · 1953
Hercules 317
1956Sportbike

Hercules 317

Key specifications

Engine
197 cc
Power
11 HP
Weight
120 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the 1956 Hercules 317 The 1956 Hercules 317 is a captivating blend of mid-century design and engineering ingenuity, representing the golden age of sport motorcycles. As an entry in the sport category, the Hercules 317 stands out for its compact build and spirited performance, appealing to enthusiasts who appreciate the charm of classic two-stroke machines. With its sleek lines and vintage aesthetic, this motorcycle embodies the spirit of freedom and adventure that defines motorcycling, making it a delightful choice for both collectors and riders looking to experience the thrill of a bygone era. ### Engine Performance and Riding Characteristics At the heart of the Hercules 317 lies a robust single-cylinder, two-stroke engine boasting a displacement of 197 cc. This compact powerhouse delivers a spirited 11 horsepower at 5,000 RPM, enabling the bike to achieve a commendable top speed of 95 km/h (59 mph). The engine's simple yet effective carburettor fuel system ensures a responsive throttle, making for an exhilarating ride. Coupled with a lightweight frame of just 120 kg (264.6 pounds), the motorcycle's power-to-weight ratio of 0.0917 HP/kg translates to nimble handling and agility, allowing riders to navigate through tight corners with ease. Riders will appreciate the punchy acceleration and the unique character that only a two-stroke engine can provide, making every ride an engaging experience. ### Key Features and Technology The Hercules 317 features a traditional single cradle frame, contributing to its stability while maintaining a classic aesthetic. The front and rear expanding drum brakes provide reliable stopping power, ensuring that riders can feel confident as they push the limits of this spirited machine. The telescopic front suspension offers improved comfort and control, allowing the motorcycle to absorb bumps in the road while providing a smooth ride. With its air-cooling system, the engine remains efficient even during spirited rides, ensuring that the Hercules 317 stays reliable in a variety of conditions. The combination of practical features and timeless design makes this motorcycle a noteworthy entry in the sport category. ###

Pros

    Cons

    • Lightweight and Agile: Weighing in at just 120 kg, the Hercules 317 is incredibly nimble, making it easy to handle and maneuver.
    • Classic Two-Stroke Character: The engaging performance of the single-cylinder, two-stroke engine delivers a unique riding experience that is hard to replicate.
    • Vintage Aesthetic: The design of the 1956 Hercules 317 captures the essence of classic motorcycling, appealing to both collectors and vintage enthusiasts.
    • Limited Power Output: With 11 HP, the performance may feel limited compared to modern sport motorcycles, particularly for those seeking high-speed thrills.
    • Drum Brakes: The expanding drum brakes, while reliable, may not match the stopping power and responsiveness of modern disc brake systems.
    • Two-Stroke Maintenance: The two-stroke engine requires more frequent maintenance and care, which may not be appealing to all riders.

    Technical details

    Source specification data

    Make
    Hercules
    Model
    317
    Category
    Sport
    Power
    11.00 HP (8.0 kW)) @ 5000 RPM
    Top Speed
    95.0 km/h (59.0 mph)
    Fuel System
    Carburettor
    Bore X Stroke
    62.0 x 66.0 mm (2.4 x 2.6 inches)
    Displacement
    197.00 ccm (12.02 cubic inches)
    Cooling System
    Air
    Engine Details
    Single cylinder, two-stroke
    Transmission Type Final Drive
    Chain
    Dry Weight
    120.0 kg (264.6 pounds)
    Power Weight Ratio
    0.0917 HP/kg
    Seat
    Two
    Wheels
    Spoked
    Rear Tyre
    3-19
    Frame Type
    Single cradle
    Front Tyre
    3-19
    Rear Brakes
    Expanding brake (drum brake)
    Front Brakes
    Expanding brake (drum brake)
    Front Suspension
    Telescopic