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Aermacchi HD 125 Zeffiro
1956Scooter

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 1956 Aermacchi HD 125 Zeffiro: A Classic Italian Scooter The 1956 Aermacchi HD 125 Zeffiro stands as a testament to the golden age of scooter design, embodying the charm and practicality that defined post-war Italian motoring. Positioned as an economical yet stylish urban commuter, the Zeffiro quickly captured the hearts of riders seeking a lightweight and agile machine. With a focus on simplicity and ease of use, this scooter not only appealed to the youth of its era but also established itself as a reliable mode of transportation in a rapidly changing world. Its distinctive design and innovative engineering made it a standout among its contemporaries, ensuring its place in the annals of motorcycle history. At the heart of the Zeffiro lies a spirited single-cylinder, two-stroke engine, boasting a displacement of 123 cc. This compact powerhouse generates a respectable 5 horsepower at 4500 RPM, propelling the scooter to a top speed of 78 km/h (48.5 mph). With a compression ratio of 5.7:1 and a bore-stroke ratio of 52.0 x 58.0 mm, the engine delivers a lively performance that is both engaging and accessible for riders of all skill levels. The air-cooled system ensures reliability during city commutes, while the three-speed gearbox, paired with a wet multiplate clutch, offers smooth transitions and ease of handling. Whether navigating through urban traffic or enjoying a leisurely ride on country roads, the Zeffiro’s lightweight construction (weighing in at just 92 kg or 202.8 pounds) allows for nimble maneuverability and a fun riding experience. The Aermacchi HD 125 Zeffiro is not only about performance; it also boasts a range of features that enhance the riding experience. The telescopic front suspension provides improved handling and comfort, while the drum brakes at both the front and rear ensure dependable stopping power. With a fuel capacity of 6.5 liters (1.72 gallons), the Zeffiro is designed for long, enjoyable rides without frequent stops for refueling. Its classic styling, combined with practical elements such as a kick starter and a simple yet effective carburettor fuel system from Dell'Orto, showcases the blend of functionality and aesthetics that Aermacchi was renowned for. **

Pros

    Cons

    • Lightweight and Agile: At just 92 kg, the Zeffiro is easy to handle and maneuver, making it ideal for urban environments.
    • Classic Design: Its retro styling and Italian flair make it a head-turner among vintage motorcycle enthusiasts.
    • Economical Performance: The efficient two-stroke engine delivers a good balance of power and fuel economy.
    • Limited Power: With only 5 HP, it may struggle to keep up with modern traffic, especially on highways.
    • Basic Features: Lacks some of the advanced technology found in contemporary scooters, such as disc brakes or automatic transmission.
    • Maintenance Needs: The two-stroke engine requires regular maintenance and precise tuning to keep it running smoothly.

    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