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Hercules 313 Starr
1957Sportbike

Hercules 313 Starr

Key specifications

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

Overview

Introducing the 1957 Hercules 313 Starr Motorcycle Step back in time to the late 1950s, when the roads were dominated by the charm of vintage motorcycles, and the 1957 Hercules 313 Starr stands as a stunning representation of this era. Positioned in the sport category, the Hercules 313 Starr captures the spirit of classic motorcycling with its sleek design and spirited performance. This motorcycle was tailored for riders seeking an exhilarating experience, offering a perfect blend of agility and style that has made it a beloved classic among enthusiasts and collectors alike. Engine Performance and Riding Characteristics At the heart of the 1957 Hercules 313 Starr is its spirited single-cylinder, two-stroke engine, boasting a displacement of 123 ccm (7.51 cubic inches). Producing 6.50 horsepower at 4700 RPM, this compact powerhouse delivers a top speed of 85 km/h (52.8 mph), making it an exhilarating ride for those who appreciate the thrill of the open road. The bore and stroke measurements of 57.0 x 58.0 mm ensure a lively response, while the air-cooled system keeps the engine running efficiently even on warmer days. Riders will appreciate the smooth acceleration and nimble handling, making this motorcycle an ideal choice for city jaunts or weekend adventures. Key Features and Technology The Hercules 313 Starr embodies the essence of mid-century motorcycle engineering. It features a reliable carburettor fuel system that enhances performance, while the chain final drive ensures a direct and responsive connection to the road. The chassis is designed with a telescopic front suspension, providing stability and comfort during rides, complemented by a rigid rear suspension that delivers a raw, unfiltered connection to the asphalt. Coupled with expanding drum brakes at both front and rear, the bike offers adequate stopping power for a confident ride. Weighing in at only 90 kg (198.4 pounds), the 313 Starr boasts an impressive power-to-weight ratio of 0.0722 HP/kg, ensuring that every twist of the throttle translates into an exhilarating experience. **

Pros

    Cons

    • Lightweight and Nimble: With its low weight and agile design, the 313 Starr is easy to maneuver, making it perfect for both new and experienced riders.
    • Classic Aesthetic: The vintage styling and distinctive features of the Hercules 313 Starr make it a standout piece for collectors and motorcycle enthusiasts.
    • Simple Maintenance: The straightforward engineering of the two-stroke engine and basic components allows for easy maintenance, making it a practical choice for riders who enjoy hands-on care.
    • Limited Power: With only 6.50 HP, the bike may struggle to keep up with modern traffic speeds, making it best suited for leisurely rides and vintage events.
    • Basic Braking System: The drum brakes, while sufficient for its time, may not provide the stopping power or responsiveness expected by modern riders.
    • Rigid Rear Suspension: The lack of rear suspension technology may lead to a less comfortable ride over bumpy surfaces compared to contemporary motorcycles.

    Technical details

    Source specification data

    Make
    Hercules
    Model
    313 Starr
    Category
    Sport
    Power
    6.50 HP (4.7 kW)) @ 4700 RPM
    Top Speed
    85.0 km/h (52.8 mph)
    Fuel System
    Carburettor
    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)
    Power Weight Ratio
    0.0722 HP/kg
    Seat
    Spring-mounted seat
    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