Back to Bike FinderYears: 1972 · 1971 · 1970
BSA A 65 Lightning
1971Classic

BSA A 65 Lightning

Key specifications

Engine
654 cc
Power
49 HP
Fuel type
petrol
Fuel capacity
4.8 L
Transmission
4-speed
Front brakes
Expanding brake
Rear brakes
Expanding brake

Overview

Introducing the 1971 BSA A 65 Lightning Step back in time to the early 1970s, a golden era for British motorcycles, and meet the 1971 BSA A 65 Lightning. This classic gem epitomizes the charm of the British motorcycle scene, combining timeless aesthetics with robust engineering. Positioned as a nimble yet powerful contender in the classic motorcycle market, the A 65 Lightning is a favorite among enthusiasts and collectors alike. With its distinctive lines and iconic BSA badge, this motorcycle captures the spirit of adventure and freedom, making it a prized possession for those who appreciate the rich history of motorcycling. Engine Performance and Riding Characteristics At the heart of the A 65 Lightning lies a spirited 654 cc twin-cylinder, four-stroke engine that produces a commendable 49 horsepower at 7000 RPM. With a compression ratio of 9.0:1, this motorcycle offers a thrilling ride, reaching a top speed of 108.1 mph (174 km/h). The smooth power delivery, coupled with a 4-speed gearbox, ensures that riders experience seamless acceleration whether navigating city streets or cruising down open highways. With a weight of 220 kg (485 lbs), the bike strikes an ideal balance between stability and maneuverability, making it a joy to ride on twisty roads or during long-distance journeys. Key Features and Technology The 1971 BSA A 65 Lightning is equipped with a simple yet effective air-cooling system, enhancing reliability during spirited rides. The bike’s performance is complemented by its expanding brake system, providing adequate stopping power for both the front and rear. With a fuel capacity of 18 liters (4.76 gallons), riders can enjoy extended journeys without frequent stops for refueling. The classic design, featuring a stylish tank and vintage instrumentation, resonates with those who cherish the aesthetics of the past while appreciating the straightforward technology that defines a classic motorcycle. **

Pros

    Cons

    • Classic Appeal: The A 65 Lightning boasts a timeless design that attracts vintage motorcycle enthusiasts.
    • Engaging Ride: The powerful twin engine and lightweight chassis offer an exhilarating riding experience.
    • Collectible Status: As a part of BSA's storied lineage, this model holds significant value among collectors and enthusiasts.
    • Limited Modern Features: Lacks contemporary technology such as disc brakes and fuel injection, which may deter some riders.
    • Maintenance Requirements: Being a classic motorcycle, it may require more frequent maintenance and care than modern bikes.
    • Vibration: The character of the twin engine can lead to noticeable vibrations at higher RPMs, potentially affecting comfort on longer rides.

    Technical details

    Source specification data

    Make
    BSA
    Model
    A 65 Lightning
    Category
    Classic
    Power
    49.00 HP (35.8 kW)) @ 7000 RPM
    Gearbox
    4-speed
    Top Speed
    174.0 km/h (108.1 mph)
    Bore X Stroke
    75.0 x 74.0 mm (3.0 x 2.9 inches)
    Compression
    9.0:1
    Displacement
    654.00 ccm (39.91 cubic inches)
    Cooling System
    Air
    Engine Details
    Twin, four-stroke
    Valves Per Cylinder
    2
    Transmission Type Final Drive
    Chain
    Fuel Capacity
    18.00 litres (4.76 gallons)
    Weight Incl Oil Gas Etc
    220.0 kg (485.0 pounds)
    Rear Tyre
    4.00-19
    Front Tyre
    3.25-19
    Rear Brakes
    Expanding brake
    Front Brakes
    Expanding brake