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

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 1954 Hercules 317 motorcycle, a classic that perfectly embodies the spirit of post-war European engineering. Positioned within the sport motorcycle category, this charming machine is not just a mode of transport; it’s a slice of history that thrills enthusiasts and collectors alike. With its sleek design and spirited performance, the Hercules 317 appeals to riders who appreciate the blend of vintage aesthetics and the raw, exhilarating experience that only a classic two-stroke can provide. At the heart of the Hercules 317 lies a robust single-cylinder, two-stroke engine with a displacement of 197 cc. This powerplant produces an admirable 11 horsepower at 5,000 RPM, giving it a top speed of 95 km/h (59 mph). Riders can expect a lively acceleration and a unique sound signature that is characteristic of two-stroke engines. The engine’s design, featuring a bore and stroke of 62 x 66 mm and cooled by air, ensures that the motorcycle remains light and agile. Coupled with a final chain drive, the 317 delivers a thrilling ride that’s both accessible and enjoyable, making it a perfect companion for spirited weekend rides or gentle jaunts through the countryside. The Hercules 317 is not just about performance; it also boasts several features that enhance the riding experience. The single cradle frame provides stability and strength, while the telescopic front suspension smooths out the bumps in the road, allowing for a nimble handling experience. Both the front and rear brakes utilize drum systems, ensuring reliable stopping power. Weighing in at 120 kg (264.6 lbs), the motorcycle offers a commendable power-to-weight ratio of 0.0917 HP/kg, making it very manageable for riders of all skill levels. The kick starter adds a touch of nostalgia, recalling an era when motorcycling was a bit more hands-on and personal. **

Pros

  • Classic Two-Stroke Performance: The engine delivers a spirited ride with a distinctive sound and feel that appeals to enthusiasts.
  • Lightweight and Agile: Weighing only 120 kg, the Hercules 317 is easy to handle, making it suitable for both novice and experienced riders.
  • Stylish Vintage Aesthetic: Its timeless design and classic lines make it a standout piece in any motorcycle collection.

Cons

  • Limited Power Output: While adequate for casual riding, the 11 HP may not satisfy riders seeking high-speed thrills or performance.
  • Drum Brakes: The expanding drum brake system may not provide the same level of stopping power and responsiveness as modern disc brakes.
  • Kick Starter Only: The absence of an electric starter may be challenging for some riders, especially in modern contexts where convenience is often prioritized.

Technical details

Source specification data

Make
Hercules
Model
317
Category
Sport
Starter
Kick
Power
11.00 HP (8.0 kW)) @ 5000 RPM
Top Speed
95.0 km/h (59.0 mph)
Fuel System
Carburettor. Bing 26mm
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