Back to Bike FinderYears: 1957 · 1956 · 1955 · 1954 · 1953 · 1952 · 1951
Hercules 313 Starr
1953Sportbike

Hercules 313 Starr

Key specifications

Engine
123 cc
Power
7 HP
Weight
90 kg
Fuel type
petrol
Fuel capacity
2.9 L
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the 1953 Hercules 313 Starr The 1953 Hercules 313 Starr motorcycle stands as a quintessential representation of post-war European engineering, combining simplicity with spirited performance in the sport category. With a focus on lightweight construction and nimble handling, this motorcycle offers riders a taste of the exhilarating freedom that only two wheels can provide. During the early 1950s, the market was ripe for affordable yet thrilling motorcycles, and the Hercules 313 Starr filled that niche with style and precision, appealing to both the novice rider and seasoned enthusiast alike. ### Engine Performance and Riding Characteristics At the heart of the Hercules 313 Starr lies a robust single-cylinder, two-stroke engine with a displacement of 123cc, generating a commendable 6.5 horsepower at 4,700 RPM. This lively powerplant, coupled with a lightweight frame weighing in at just 90 kg (198.4 lbs), allows the motorcycle to reach a top speed of 85 km/h (52.8 mph)—an impressive feat for its time. The bike’s air-cooled engine is paired with a Sachs 18mm carburettor, ensuring efficient fuel delivery and responsive throttle response. Riders will appreciate the bike's agility, enhanced by a telescopic front suspension that absorbs road imperfections, while the rigid rear suspension maintains stability and control during spirited rides. ### Key Features and Technology The design of the Hercules 313 Starr reflects the era's focus on utility and performance. With drum brakes at both the front and rear, riders can expect reliable stopping power, a crucial feature for those who enjoy taking their motorcycle out for a brisk ride. The bike's chain final drive enhances the transfer of power to the rear wheel, ensuring a seamless riding experience. Notably, the kick starter mechanism adds a touch of nostalgia, appealing to those who enjoy a more hands-on approach to motorcycle operation. The 11-litre fuel tank provides ample range for weekend excursions, making it an ideal companion for casual rides through the countryside. ###

Pros

    Cons

    • Lightweight and Agile: Weighing only 90 kg, the Hercules 313 Starr is exceptionally maneuverable, making it perfect for city riding and twisty roads.
    • Classic Aesthetic: The vintage design and engineering evoke a sense of nostalgia, appealing to collectors and enthusiasts alike.
    • Economical: With a modest power output and efficient fuel system, the motorcycle offers excellent fuel economy, keeping running costs low.
    • Limited Power: With only 6.5 HP, the motorcycle may feel underpowered for more experienced riders seeking higher performance.
    • Basic Features: The straightforward technology may lack the modern conveniences found in contemporary motorcycles, such as advanced braking systems or fuel injection.
    • Rigid Rear Suspension: While it adds to the vintage charm, the rigid rear suspension can lead to a less comfortable ride over rough terrain compared to modern suspension systems.

    Technical details

    Source specification data

    Make
    Hercules
    Model
    313 Starr
    Category
    Sport
    Starter
    Kick
    Power
    6.50 HP (4.7 kW)) @ 4700 RPM
    Top Speed
    85.0 km/h (52.8 mph)
    Fuel System
    Carburettor. Sachs 18mm
    Bore X Stroke
    57.0 x 58.0 mm (2.2 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)
    Fuel Capacity
    11.00 litres (2.91 gallons)
    Power Weight Ratio
    0.0722 HP/kg
    Seat
    Spring-mounted seat
    Wheels
    Spoked
    Rear Tyre
    2.75-19
    Front Tyre
    2.75-19
    Rear Brakes
    Expanding brake (drum brake)
    Front Brakes
    Expanding brake (drum brake)
    Rear Suspension
    Rigid
    Front Suspension
    Telescopic