Classic and Classy Motorcycles Ltd

Historical Context
In the mid-1970s, the motorcycle world was witnessing a significant shift with the rise of high-performance Japanese bikes. Amidst this landscape, the 1976 Triumph T140 Bonneville 750cc emerged as a testament to British engineering and a symbol of motorcycle nostalgia. The T140 was an evolution of the legendary Bonneville line, known for its blend of style, performance, and handling. This era marked a crucial phase for Triumph, as the company strived to maintain its heritage while adapting to the new demands of riders.

Technical Specifications and Performance

• Year: 1976

• Make: Triumph

• Model: T140 Bonneville 750cc

• Engine displacement: 750cc

• Compression ratio: 9.5:1

• Carburetion: Twin Amal MkII carburetors

• Ignition system: Boyer Bransden electronic ignition

• Cooling system: Air-cooled

• Fuel capacity: 3.8 US gallons

• Wheelbase: 58 inches

• Horsepower: 50 bhp @ 6200 rpm

• Torque: 45 lb-ft @ 3700 rpm

• Transmission type: 5-speed manual

• Frame type: Steel, double cradle

• Suspension system: Telescopic forks (front), Twin shock absorbers (rear)

• Braking system: Disc brakes, front and rear

• Dry Weight: 205 kg (450 lbs)

• Top speed: Approximately 115 mph

• Acceleration: 0-60 mph in about 5.3 seconds

Technical Advancements
The Triumph T140 introduced several key improvements over its predecessors, notably the shift to a more reliable and efficient electronic ignition system by Boyer Bransden and the addition of a rear disc brake, a rarity for motorcycles at the time. These advancements not only enhanced the bike's performance but also its safety and ease of maintenance.

Evolution of the Model
The T140 marked a significant evolution in the Bonneville series, with its increased engine capacity from 650cc to 750cc, addressing riders' demands for more power. This model also featured a refined gearbox and an improved frame and suspension setup, ensuring that the Bonneville remained competitive in a rapidly changing motorcycle market.

Cultural Impact
The Triumph Bonneville, and the T140 in particular, holds a revered place in motorcycle culture. It encapsulates the essence of the British motorcycle industry's golden era, combining performance with timeless design. The T140's appeal transcended beyond the motorcycling community, becoming a cultural icon represented in films, music, and media, symbolizing freedom and adventure.

Racing Heritage
While the T140 was primarily designed for the road, its racing heritage is undeniable. The Bonneville line had a strong presence in competitive racing, and the T140 continued this legacy. Its robust engine and improved handling made it a capable competitor, participating in various forms of motorcycle racing and earning accolades for its performance.

Competitors
The mid-70s was a competitive era for motorcycles, with the Triumph T140 Bonneville 750cc going head-to-head against the likes of the Harley-Davidson Sportster 1000 and the Honda CB750. Despite fierce competition, the T140 stood out due to its unique combination of British charm, reliability, and performance, cementing its place in the hearts of motorcycle enthusiasts around the globe.