Positioned in Hercules's sport motorcycle lineup, the 1954 Hercules 318 features a 246 cc (15 cu in) air-cooled twin, two-stroke configuration. In factory specification, peak output is rated at 15 HP (10.9 kW) at 6,000 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 61 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the 318 measures 152 kg (335 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (10.13 kg per horsepower). The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 105 km/h (65 mph).
Within MotoLibrary's Hercules archive, this model family spans 4 indexed model years from 1953 to 1956, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
