Back to Bike FinderYears: 1957 · 1956 · 1955 · 1954 · 1953
Ardie BD 175
1957Sportbike

Ardie BD 175

Key specifications

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

Overview

Introducing the 1957 Ardie BD 175, a remarkable piece of engineering that perfectly captures the spirit of post-war motorcycle innovation. Hailing from Germany, Ardie positioned the BD 175 as a spirited sport motorcycle, aimed at riders who craved nimble performance and a touch of classic style. With its compact dimensions and lightweight frame, it was designed to cater to the needs of both the daily commuter and the weekend thrill-seeker. The BD 175 not only offers a nostalgic glance back to a simpler time in motorcycling but also embodies the spirited essence of small-displacement racing. At the heart of the BD 175 is a robust 172cc single-cylinder, two-stroke engine that delivers a spirited 9 horsepower at 5600 RPM. This powerplant, coupled with a lightweight frame weighing in at just 108 kg (238.1 lbs), allows the BD 175 to reach a top speed of 95 km/h (59 mph) with impressive agility. The air-cooled design and magneto ignition ensure reliability and simplicity, appealing to enthusiasts who appreciate the unadulterated connection between man and machine. The two-stroke configuration not only provides a distinctive throttle response but also delivers a unique auditory experience that only adds to the charm of riding this classic. The Ardie BD 175 boasts several features that elevate its riding experience. The expanding drum brakes, both front and rear, provide adequate stopping power for spirited riding, while the chain final drive offers smooth and reliable power delivery. The carburettor fuel system is straightforward, ensuring ease of maintenance for those who enjoy hands-on tinkering. The bike's dimensions and weight distribution allow for nimble handling, making it an ideal choice for winding roads and urban commutes alike. With its classic styling and functional simplicity, the BD 175 remains a beloved choice among vintage motorcycle enthusiasts. **

Pros

  • Lightweight and Agile: The 108 kg weight allows for nimble handling, making it perfect for urban environments and tight corners.
  • Classic Two-Stroke Performance: The character and responsiveness of the two-stroke engine provide a thrilling riding experience that enthusiasts love.
  • Simplicity of Design: With a straightforward carburettor system and magneto ignition, maintenance is manageable for riders who enjoy DIY repairs.

Cons

  • Limited Top Speed: While fun for spirited riding, the 95 km/h top speed may not satisfy those looking for more high-speed capabilities.
  • Drum Brakes: The expanding drum brakes, while adequate for its time, may feel less responsive compared to modern disc brakes.
  • Vibration: The two-stroke engine can produce notable vibrations at higher RPMs, which may not be ideal for longer rides.

Technical details

Source specification data

Make
Ardie
Model
BD 175
Category
Sport
Power
9.00 HP (6.6 kW)) @ 5600 RPM
Ignition
Magneto
Top Speed
95.0 km/h (59.0 mph)
Fuel System
Carburettor
Bore X Stroke
60.0 x 61.0 mm (2.4 x 2.4 inches)
Displacement
172.00 ccm (10.50 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Chain
Dry Weight
108.0 kg (238.1 pounds)
Power Weight Ratio
0.0833 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
2.50-19
Front Tyre
2.50-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)