Benelli 654 1981 - Specifications & Review

Introducing the 1981 Benelli 654, a remarkable piece of motorcycle history that stands out in the classic segment. As the Italian manufacturer's entry into the four-cylinder arena, the 654 embodies the blend of Italian flair and engineering prowess that Benelli is renowned for. With its sleek lines and distinctive styling, this machine not only turned heads in its time but continues to captivate vintage motorcycle enthusiasts today. The Benelli 654 was designed for riders seeking a unique blend of performance and classic aesthetics, carving out a niche for itself in a market dominated by larger, more powerful bikes.

At the heart of the 654 lies a 604cc in-line four-cylinder engine that churns out an impressive 62 horsepower at 8,650 RPM. This powerplant, coupled with a 5-speed gearbox, delivers a thrilling ride with a top speed of 190 km/h (118.1 mph). The air-cooled engine, with a compression ratio of 9.3:1, provides a smooth and responsive throttle, making it a pleasure to ride through winding roads or city streets. The bike’s lightweight construction—at just 210 kg (463 lbs) ready to ride—enhances its agility, allowing for nimble handling and confident cornering. Riders can expect a spirited performance that embodies the essence of classic motorcycling.

The Benelli 654 is not just about raw power; it showcases several key features that highlight its advanced engineering for the era. The dual disc front brakes ensure reliable stopping power, while the single disc rear brake complements the bike’s overall braking efficiency. The 15-litre (3.96-gallon) fuel tank provides ample range for those long rides, and the visually striking design reflects the Italian craftsmanship of the time. With its two valves per cylinder and a carefully engineered bore and stroke of 60.0 x 53.4 mm, the 654 not only performs well but also represents a significant technological achievement in the classic motorcycle landscape.

Pros:

1. Distinctive Design: The 1981 Benelli 654 features a classic Italian aesthetic that appeals to vintage motorcycle enthusiasts and collectors alike.
2. Powerful Performance: With a 604cc engine producing 62 HP, this bike offers exhilarating performance and speed for its class.
3. Lightweight and Agile: Weighing in at just 210 kg, the 654 is nimble, making it easy to maneuver in tight spaces and around corners.

Cons:

1. Limited Spare Parts Availability: As a classic motorcycle, finding replacement parts can be challenging, which may pose maintenance issues for some owners.
2. Vibration at High RPMs: Riders may experience some vibration at higher RPMs, which can detract from the overall ride comfort.
3. Basic Technology: While advanced for its time, the technology in the 654 may feel dated compared to modern motorcycles, limiting features such as advanced braking systems and electronic aids.

In summary, the 1981 Benelli 654 is a remarkable classic motorcycle that embodies a unique blend of style, performance, and engineering ingenuity. For those who appreciate the charm of vintage bikes, it remains an iconic choice that promises both nostalgia and excitement on the open road.