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Aermacchi HD 125 Zeffiro
1955Scooter

Aermacchi HD 125 Zeffiro

Key specifications

Engine
123 cc
Power
5 HP
Weight
92 kg
Fuel type
petrol
Fuel capacity
1.7 L
Transmission
3-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1955 Aermacchi HD 125 Zeffiro, a classic scooter that encapsulates the essence of mid-century Italian design and engineering. With its sleek lines and unmistakable vintage charm, the Zeffiro was crafted for urban commuting and leisurely rides, perfectly positioned in the post-war scooter market. Aermacchi, a name synonymous with innovative motorcycle manufacturing, aimed to capture the hearts of riders looking for a stylish and efficient mode of transport. The HD 125 Zeffiro not only delivers on aesthetics but also boasts functional design elements that cater to the everyday rider. At the heart of the Zeffiro lies a robust 123cc single-cylinder two-stroke engine, delivering a spirited 5 horsepower at 4500 RPM. This powerful little engine propels the scooter to a top speed of 78 km/h (48.5 mph), making it an ideal choice for zipping through city streets or enjoying the occasional country ride. The bike’s air-cooled engine and efficient Dell'Orto carburetor provide a delightful riding experience, allowing riders to experience the thrill of acceleration while maintaining a manageable power output. Paired with a 3-speed gearbox and a wet multiplate clutch, the ride remains smooth and enjoyable, welcoming both novice riders and seasoned enthusiasts alike. The Aermacchi HD 125 Zeffiro comes equipped with several notable features that enhance its appeal. Its telescopic front suspension and expanding drum brakes (both front and rear) ensure a stable and responsive ride, even on less-than-ideal surfaces. With a fuel capacity of 6.5 liters (1.72 gallons), the Zeffiro provides ample range for urban adventures, while its lightweight design (weighing in at just 92 kg or 202.8 pounds) allows for easy maneuverability. Kickstarting this classic beauty adds to the nostalgic experience, providing a genuine connection between rider and machine. **

Pros

  • Stylish Vintage Design: The Zeffiro’s timeless aesthetics make it a standout choice for those who appreciate classic scooters.
  • Agile Handling: Weighing only 92 kg, it’s easy to maneuver in tight city spaces and offers a comfortable ride on varied terrain.
  • Efficient Performance: The 123cc engine provides just the right amount of power for city commuting, ensuring a fun yet efficient riding experience.

Cons

  • Limited Power: With only 5 HP, the Zeffiro may struggle with highway speeds and may not be suitable for long-distance travel.
  • Basic Features: While charming, the lack of modern amenities may deter those looking for advanced technology and comfort.
  • Kickstart Only: The traditional kickstarter may not appeal to every rider, especially those accustomed to electric start systems.

Technical details

Source specification data

Make
Aermacchi
Model
HD 125 Zeffiro
Category
Scooter
Starter
Kick
Power
5.00 HP (3.6 kW)) @ 4500 RPM
Clutch
Wet multiplate
Gearbox
3-speed
Top Speed
78.0 km/h (48.5 mph)
Fuel System
Carburettor. DellÓrto
Bore X Stroke
52.0 x 58.0 mm (2.0 x 2.3 inches)
Compression
5.7:1
Displacement
123.00 ccm (7.51 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Chain
Dry Weight
92.0 kg (202.8 pounds)
Fuel Capacity
6.50 litres (1.72 gallons)
Power Weight Ratio
0.0543 HP/kg
Seat
Two single seats
Rear Tyre
2.25-17
Front Tyre
2.25-17
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Front Suspension
Telescopic