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Aermacchi Ala Bianca 175
1959Sportbike

Aermacchi Ala Bianca 175

Key specifications

Engine
174 cc
Power
9 HP
Weight
110 kg
Fuel type
petrol
Fuel capacity
4.5 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake). Simplex

Overview

Introducing the 1959 Aermacchi Ala Bianca 175, a charming blend of Italian engineering and sporting spirit that has captivated motorcycle enthusiasts since its inception. Positioned in the sport category, the Ala Bianca 175 was designed for those who craved agility and performance, wrapped in a lightweight frame and timeless styling. Aermacchi, known for its dedication to producing agile motorcycles, crafted the Ala Bianca to be a nimble companion for both city commuting and spirited weekend rides, making it an appealing choice for riders seeking versatility without sacrificing performance. At the heart of the Ala Bianca 175 lies a robust single-cylinder, four-stroke engine with a displacement of 174.20 ccm. This powerplant churns out a respectable 9.40 horsepower at 6,500 RPM, allowing the bike to reach a top speed of 100 km/h (62.1 mph). With a bore and stroke measuring 60.0 x 61.0 mm, the engine strikes a balance between responsive throttle response and smooth operation. Thanks to its air-cooling system and a reliable Dell'Orto carburetor, the engine delivers a spirited ride while maintaining efficiency. Coupled with a 4-speed gearbox and a wet multiplate clutch, the Ala Bianca provides a smooth and engaging riding experience, appealing to both novice and seasoned riders alike. The design of the Ala Bianca 175 is as functional as it is aesthetic. Its single cradle frame contributes to the bike's lightweight feel, tipping the scales at just 110 kg (242.5 pounds). The telescopic front suspension and swingarm rear suspension with two shocks ensure a comfortable ride, absorbing bumps and providing stability through corners. Stopping power is provided by expanding drum brakes at both the front and rear, instilling confidence in the rider. The bike also boasts a generous fuel capacity of 17 liters (4.49 gallons), allowing for longer rides without frequent stops at the pump, making it an ideal companion for the open road. The 1959 Aermacchi Ala Bianca 175 stands as a testament to a bygone era of motorcycling, combining simplicity and character in a way that continues to resonate with enthusiasts today.

Pros

  • Lightweight and Agile: Weighing in at just 110 kg, the Ala Bianca 175 is incredibly nimble, making it perfect for urban commuting and twisty backroads.
  • Classic Design: Its vintage aesthetic, complemented by sleek lines and Italian styling, turns heads and appeals to collectors and retro enthusiasts.
  • Reliable Performance: The single-cylinder engine provides a good balance of power and efficiency, making it a dependable choice for riders seeking both fun and practicality.

Cons

  • Limited Power: With only 9.40 HP, the bike may struggle to keep up with modern traffic, especially on highways.
  • Drum Brakes: While adequate for its time, the drum brakes may not offer the stopping power and responsiveness that modern riders expect.
  • Kick Start Only: The absence of an electric starter may be a drawback for some, particularly in urban scenarios where quick starts are advantageous.

Technical details

Source specification data

Make
Aermacchi
Model
Ala Bianca 175
Category
Sport
Starter
Kick
Power
9.40 HP (6.9 kW)) @ 6500 RPM
Clutch
Wet multiplate
Gearbox
4-speed
Top Speed
100.0 km/h (62.1 mph)
Fuel System
Carburettor. DellÓrto
Bore X Stroke
60.0 x 61.0 mm (2.4 x 2.4 inches)
Displacement
174.20 ccm (10.63 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Lubrication System
Bobine
Transmission Type Final Drive
Chain
Dry Weight
110.0 kg (242.5 pounds)
Fuel Capacity
17.00 litres (4.49 gallons)
Overall Width
600 mm (23.6 inches)
Overall Height
880 mm (34.6 inches)
Overall Length
1,970 mm (77.6 inches)
Power Weight Ratio
0.0855 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
2.75-17
Frame Type
Single cradle
Front Tyre
2.50-17
Rear Brakes
Expanding brake (drum brake). Simplex
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swingarm-two shocks
Front Suspension
Telescopic