Back to Bike FinderYears: 1956 · 1955 · 1954 · 1953
Hercules 319
1955Sportbike

Hercules 319

Key specifications

Engine
173 cc
Power
9 HP
Weight
116 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### The 1955 Hercules 319: A Timeless Sport Classic Introducing the 1955 Hercules 319, a motorcycle that embodies the spirit of post-war innovation and German engineering in the sport category. With its sleek lines and compact design, the Hercules 319 was designed for riders who craved both performance and agility. During the mid-1950s, this lightweight machine captured the attention of enthusiasts looking for a nimble bike that could deliver a thrilling ride without sacrificing practicality. As one of Hercules' notable models, the 319 stands out for its blend of historic charm and sport-oriented capabilities, making it a coveted piece for collectors and vintage motorcycle aficionados alike. At the heart of the Hercules 319 lies a spirited single-cylinder, two-stroke engine with a displacement of 173 cc. Producing a robust 9 horsepower at 5250 RPM, this little powerhouse propels the motorcycle to a commendable top speed of 90 km/h (55.9 mph). The bike's unique bore and stroke dimensions of 57.0 x 58.0 mm ensure a responsive throttle that delivers an exhilarating experience while maintaining smooth performance. The air-cooled system and carburettor fuel system contribute to the bike’s reliability, allowing riders to enjoy prolonged journeys without the worry of overheating. With a power-to-weight ratio of 0.0776 HP/kg, the Hercules 319 offers an engaging ride that rewards skillful handling and precise control, making it an ideal choice for sport riding. The chassis of the 1955 Hercules 319 showcases a single cradle frame that balances strength and lightweight agility, perfect for navigating both urban streets and winding country roads. Equipped with telescopic front suspension and drum braking systems at both ends, the 319 offers a blend of stability and responsive handling that enhances rider confidence. This bike's minimalist design is complemented by its overall weight of just 116 kg (255.7 pounds), allowing for quick maneuvers and effortless handling. Whether you’re a seasoned rider or a newcomer to the sport, the Hercules 319’s straightforward engineering and classic aesthetic make it a joy to ride. **

Pros

  • Lightweight Design: At only 116 kg, the Hercules 319 is easy to handle, making it a great choice for both new and experienced riders.
  • Sporty Performance: With a top speed of 90 km/h and a responsive engine, this motorcycle delivers an exhilarating ride that appeals to sport enthusiasts.
  • Classic Appeal: The vintage aesthetic and unique engineering of the 319 provide a timeless charm that is highly sought after by collectors and classic bike lovers.

Cons

  • Limited Power: With just 9 HP, the performance may not satisfy riders looking for more aggressive power output.
  • Basic Features: The simplicity of the drum brakes and basic suspension may not meet the expectations of modern riders accustomed to advanced braking and suspension technology.
  • Two-Stroke Engine Maintenance: As a two-stroke machine, it may require more frequent maintenance and fuel mixing compared to more contemporary four-stroke bikes.

Technical details

Source specification data

Make
Hercules
Model
319
Category
Sport
Power
9.00 HP (6.6 kW)) @ 5250 RPM
Top Speed
90.0 km/h (55.9 mph)
Fuel System
Carburettor
Bore X Stroke
57.0 x 58.0 mm (2.2 x 2.3 inches)
Displacement
173.00 ccm (10.56 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Chain
Dry Weight
116.0 kg (255.7 pounds)
Power Weight Ratio
0.0776 HP/kg
Seat
Two seats
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