Hercules 317
Key specifications
Overview
### Introducing the 1955 Hercules 317: A Classic Sport Bike The 1955 Hercules 317 stands as a testament to the golden age of motorcycle manufacturing, where style and performance converged to deliver an exhilarating riding experience. Nestled within the sport category, this motorcycle was designed to cater to enthusiasts who sought both agility and speed. With its sleek lines and powerful presence, the Hercules 317 captured the hearts of riders in the mid-20th century and remains a cherished classic today. As one of the standout models of its era, it embodies a spirit of innovation and sporting prowess that continues to resonate with collectors and vintage bike aficionados alike. ### Engine Performance: Power Meets Precision At the heart of the Hercules 317 lies a robust single-cylinder, two-stroke engine boasting a displacement of 197.00 ccm (12.02 cubic inches). Delivering an impressive 11.00 horsepower at 5000 RPM, this bike offers a spirited performance that makes it a joy to ride. Its top speed of 95.0 km/h (59.0 mph) gives riders a taste of the thrill that only classic sport bikes can provide. The engine, equipped with a Bing 26mm carburettor and air cooling system, ensures efficient fuel delivery and smooth operation, enhancing the overall riding experience. Riders can expect responsive acceleration and nimble handling, making the Hercules 317 a delightful companion on both winding roads and city streets. ### Key Features and Technology The Hercules 317 is not just about raw power; it also incorporates thoughtful design elements that enhance its performance and safety. The single cradle frame provides a sturdy yet lightweight structure, allowing for agile maneuverability. The telescopic front suspension absorbs bumps effortlessly, contributing to a comfortable ride, while the drum brakes—both front and rear—offer reliable stopping power, ensuring that riders can confidently tackle any curve or descent. Weighing in at just 120 kg (264.6 pounds), the Hercules 317 boasts a commendable power-to-weight ratio of 0.0917 HP/kg, further elevating its reputation as a nimble sport bike. ###
Pros
Cons
- Lightweight and Agile: With a low weight of 120 kg, the Hercules 317 excels in maneuverability, making it perfect for both city commuting and spirited rides on twisty roads.
- Classic Design: Its vintage aesthetics and timeless lines appeal to collectors and enthusiasts who appreciate the art of mid-century motorcycle design.
- Responsive Performance: The 11 HP engine delivers a lively ride, offering an exhilarating experience that is both fun and engaging for riders of all skill levels.
- Limited Power Output: While the engine provides adequate performance for leisurely rides, it may lack the thrill-seeking acceleration desired by more experienced riders.
- Basic Braking System: The drum brakes, while reliable, may not offer the stopping power and feel that modern riders expect, particularly for high-speed riding.
- Vibration at High Speeds: As a two-stroke engine, the Hercules 317 can produce noticeable vibrations at higher RPMs, which may detract from long-distance comfort.
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. 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