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Hercules A 175
1957Sportbike

Hercules A 175

Key specifications

Engine
173 cc
Power
9 HP
Weight
140 kg
Fuel type
petrol
Fuel capacity
3.0 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1957 Hercules A 175, a classic gem from the golden age of motorcycling that stands as a testament to the engineering prowess of its time. Positioned in the sport category, this motorcycle is a remarkable fusion of style, performance, and simplicity that caters to both the novice rider and the seasoned enthusiast. With its sleek lines and distinctive profile, the A 175 captures the essence of post-war European motorcycle design, making it a sought-after model for collectors and vintage enthusiasts alike. At the heart of the Hercules A 175 lies a spirited single-cylinder, two-stroke engine with a displacement of 173 cc. Generating a robust 9.3 horsepower at 5250 RPM, this little powerhouse delivers an exhilarating top speed of 90 km/h (55.9 mph). The combination of a Bing 24mm carburetor and air cooling ensures that the engine runs smoothly, providing an engaging ride with a thrilling response. The 4-speed gearbox allows riders to effortlessly navigate through gears, making it a joy to handle on winding roads or in urban settings. With a power-to-weight ratio of 0.0664 HP/kg, the A 175 offers nimble handling, making it both fun and responsive in various riding conditions. The A 175 doesn’t just excel in performance; it also boasts several noteworthy features that enhance its riding experience. The motorcycle is equipped with a traditional kick starter, embodying the charm of simpler times. Its chassis features a telescopic front suspension paired with a swingarm rear suspension, ensuring a comfortable ride over uneven surfaces. The reliable drum brakes, measuring 150 mm in diameter at both the front and rear, provide adequate stopping power while maintaining the classic aesthetic. With a fuel capacity of 11.5 liters, it strikes a balance between range and weight, making it a practical choice for both short jaunts and longer excursions. **

Pros

  • Classic design and appeal, perfect for vintage motorcycle enthusiasts.
  • Lightweight and nimble, making it easy to handle for riders of all skill levels.
  • Reliable performance with a spirited engine that encourages spirited riding.

Cons

  • Limited power output may not satisfy riders looking for high-speed thrills.
  • Drum brakes may lack the stopping power and responsiveness of modern disc brakes.
  • The kick-start mechanism can be less convenient compared to electric starters found on newer models.

Technical details

Source specification data

Make
Hercules
Model
A 175
Category
Sport
Starter
Kick
Power
9.30 HP (6.8 kW)) @ 5250 RPM
Clutch
Wet multiplate
Gearbox
4-speed
Ignition
Bobine
Top Speed
90.0 km/h (55.9 mph)
Fuel System
Carburettor. Bing 24mm
Bore X Stroke
62.0 x 58.0 mm (2.4 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
140.0 kg (308.6 pounds)
Fuel Capacity
11.50 litres (3.04 gallons)
Power Weight Ratio
0.0664 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
3.50-16
Front Tyre
3.25-16
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swingarm
Front Suspension
Telescopic
Rear Brakes Diameter
150 mm (5.9 inches)
Front Brakes Diameter
150 mm (5.9 inches)