
Hercules 311
Key specifications
Overview
Introducing the 1950 Hercules 311, a classic gem that embodies the spirit of post-war German engineering and the burgeoning sport motorcycle segment. Designed for enthusiasts who crave the thrill of the ride, the Hercules 311 was a contender in the lightweight sport category, appealing to those who valued agility, simplicity, and a touch of retro charm. With its distinctive style and nimble handling, this motorcycle carved its niche among those seeking an exhilarating, yet accessible ride. At the heart of the Hercules 311 is a robust 123 cc single-cylinder, two-stroke engine that delivers a respectable 5 horsepower at 5000 RPM. While it may not boast the power of modern machines, the Hercules compensates with a top speed of 75 km/h (46.6 mph) and an exhilarating power-to-weight ratio of 0.0556 HP/kg, allowing for spirited rides that are both lively and engaging. The air-cooled engine, paired with a Bing 18mm carburettor, ensures a responsive throttle, making each twist of the wrist an invitation to explore winding roads with confidence. The lightweight construction, at just 90 kg (198.4 pounds), coupled with a rigid rear suspension, creates a riding experience that feels both intimate and exhilarating—a true testament to the era's focus on rider connection. The Hercules 311 is not just about performance; it also embraces essential features that enhance the riding experience. The telescopic front suspension offers improved handling and comfort, while the drum brakes—both front and rear—provide reliable stopping power, instilling confidence in the rider. With a fuel capacity of 10.5 liters (2.77 gallons), this motorcycle is well-equipped for weekend adventures, allowing riders to embark on longer journeys without the constant worry of refueling. The classic kick starter adds to the retro charm, evoking a sense of nostalgia for a time when motorcycling was as much about the experience as it was about the destination. **
Pros
- Agile Handling: Lightweight design and responsive engine create an engaging and nimble riding experience.
- Classic Aesthetic: Retro styling appeals to vintage motorcycle enthusiasts and collectors alike.
- Simplicity: Minimalist engineering makes for straightforward maintenance and an uncomplicated riding experience.
Cons
- Limited Power: With only 5 HP, it may struggle to keep up with modern traffic or highway speeds.
- Basic Suspension: Rigid rear suspension may not provide the comfort needed for long-distance rides on rough terrain.
- Old Technology: Drum brakes may not offer the stopping power or responsiveness seen in contemporary braking systems.
Technical details
Source specification data
- Make
- Hercules
- Model
- 311
- Category
- Sport
- Starter
- Kick
- Power
- 5.00 HP (3.6 kW)) @ 5000 RPM
- Top Speed
- 75.0 km/h (46.6 mph)
- Fuel System
- Carburettor. Bing 18mm
- Bore X Stroke
- 52.0 x 58.0 mm (2.0 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
- 10.50 litres (2.77 gallons)
- Power Weight Ratio
- 0.0556 HP/kg
- Seat
- Single
- Wheels
- Spoked
- Rear Tyre
- 2.50-19
- Front Tyre
- 2.50-19
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Rigid
- Front Suspension
- Telescopic