BSA A 75 Rocket 3 1971 - Specifications & Review

A 75 Rocket 3

Article Complete Info

Articleid700849
CategoryClassic
MakeBSA
ModelA 75 Rocket 3
Year1971

Chassis, Suspension, Brakes & Wheels

FrontbrakesExpanding brake
Fronttyre4.00-19
RearbrakesExpanding brake
Reartyre4.00-19

Engine & Transmission

Borexstroke67.0 x 70.0 mm (2.6 x 2.8 inches)
Compression9.5:1
CoolingsystemAir
Displacement740.00 ccm (45.15 cubic inches)
EnginedetailsIn-line three, four-stroke
Gearbox4-speed
Power58.00 HP (42.3 kW)) @ 7500 RPM
Topspeed185.0 km/h (115.0 mph)
TransmissiontypefinaldriveChain
Valvespercylinder2

Physical Measures & Capacities

Fuelcapacity19.00 litres (5.02 gallons)
Weightincloilgasetc226.0 kg (498.2 pounds)

About BSA A 75 Rocket 3 1971

1971 BSA A 75 Rocket 3: A Classic Icon of British Motorcycling

The 1971 BSA A 75 Rocket 3 stands as a testament to the golden age of British motorcycling, encapsulating a blend of advanced engineering and timeless design. Positioned as a high-performance machine during its time, the Rocket 3 was BSA's answer to the growing demand for powerful bikes that could deliver both speed and style. With its striking presence and unmistakable design, this classic motorcycle quickly became a favorite among enthusiasts and collectors alike, embodying the spirit of freedom and adventure that defines the open road.

At the heart of the Rocket 3 lies a robust 740cc in-line three, four-stroke engine that produces an impressive 58 HP at 7500 RPM. This powerplant offers exhilarating acceleration, making it possible to reach a top speed of 115 mph—a remarkable feat for its era. The meticulously engineered compression ratio of 9.5:1, combined with a bore and stroke of 67.0 x 70.0 mm, ensures that the Rocket 3 delivers a thrilling ride, whether navigating city streets or cruising down the highway. The 4-speed gearbox and chain final drive contribute to a responsive and engaging riding experience, allowing riders to harness the full potential of this powerful engine.

The Rocket 3 is not just about raw power; it features a classic aesthetic that attracts attention wherever it goes. The bike's design is complemented by its practical features, such as a generous 19-liter fuel tank that provides ample range for long rides. The expanding brakes at both the front and rear add to the bike's reliability, ensuring confident stopping power. Additionally, the air-cooled engine's design embodies the simplicity and elegance characteristic of classic motorcycles, while providing the durability needed for everyday use.

PROs:

  1. Powerful Performance: The in-line three engine offers a thrilling ride with excellent power output and acceleration.
  2. Classic Aesthetic: The BSA Rocket 3’s design is iconic, often turning heads and sparking conversations among fellow riders and onlookers.
  3. Robust Engineering: Built with durable materials and components, the Rocket 3 stands the test of time, making it a solid choice for collectors and classic motorcycle enthusiasts.

CONs:

  1. Weight: At 226 kg, the Rocket 3 can feel heavy for some riders, particularly when maneuvering at low speeds or during parking.
  2. Limited Technology: Lacking modern features such as advanced braking systems and fuel injection, the bike may require more hands-on maintenance compared to contemporary models.
  3. Fuel Efficiency: With a more powerful engine, fuel economy can be less favorable than modern motorcycles, which could be a consideration for longer journeys.

In summary, the 1971 BSA A 75 Rocket 3 is not just a motorcycle; it is a piece of history that combines performance, style, and a rich heritage. For those who appreciate the essence of classic motorcycling, the Rocket 3 remains an exhilarating choice that promises both adventure and nostalgia.

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