Aermacchi Chimera 175 1957 - Specifications & Review

Introducing the 1957 Aermacchi Chimera 175, a quintessential classic in the realm of sport motorcycles. Hailing from the Italian manufacturer Aermacchi, this bike was designed with the spirited rider in mind, embodying a perfect blend of style, performance, and Italian craftsmanship. The Chimera 175 was marketed as an agile and lightweight option, perfect for both city commuting and spirited weekend rides, appealing to enthusiasts seeking a blend of vintage aesthetics and sporty handling.

At the heart of the Chimera 175 lies a robust single-cylinder, four-stroke engine with a displacement of 172cc. This powerplant delivers a respectable top speed of 110 km/h (68.4 mph), making it a thrilling option for riders who yearn for that exhilarating feeling of the open road. With a compression ratio of 7.0:1 and a bore and stroke measuring 60.0 x 61.0 mm, the engine produces a delightful power band that is both responsive and engaging. The four-speed gearbox ensures smooth transitions through the gears, while the wet multiplate clutch provides reliable engagement under various riding conditions. The air-cooled design keeps the engine running cool, contributing to the overall reliability that Aermacchi is known for.

The Chimera 175 is not just about performance; its features and technology are a testament to the era's innovation. The single cradle frame offers a sturdy and lightweight platform, enhancing the bike's agility and handling. Equipped with drum brakes on both the front and rear, riders can expect consistent stopping power, albeit with the characteristic feel of vintage braking systems. The telescopic front suspension provides a level of comfort that makes navigating uneven roads a breeze, while the kick-starter adds a nostalgic touch, reminding riders of a time when simplicity ruled the motorcycle world.

PROs:

1. Lightweight and Agile: Weighing in at just 122 kg (269 lbs), the Chimera 175 is easy to handle, making it perfect for both new and experienced riders.
2. Classic Aesthetics: With its vintage design and Italian flair, this motorcycle is a head-turner that captures the essence of 1950s motorcycling.
3. Reliable Performance: The well-engineered single-cylinder engine delivers dependable performance, making it a suitable choice for everyday rides.

CONs:

1. Limited Power: While the top speed is respectable for its class, some riders may find it lacking compared to modern sport bikes.
2. Drum Brakes: The expanding drum brakes may not provide the same stopping power or feel as contemporary disc brake systems, especially in wet conditions.
3. Kick Starter Only: The absence of an electric starter may deter some riders accustomed to the convenience of modern starting systems, requiring a bit of technique to master the kick-start.

In summary, the 1957 Aermacchi Chimera 175 is a delightful homage to the era of classic motorcycles, offering an engaging ride and an experience that celebrates the fundamentals of motorcycling. Whether you’re a collector or a casual rider, this bike is sure to bring a smile to your face and a sense of adventure to your journey.