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Triumph T 140 V Bonneville
1979 · Vintage
1979 · Vintage
The 1979 Triumph T140V Bonneville represents a significant chapter in the storied history of British motorcycling, marking the tail end of an era for the iconic Bonneville lineage. As a Vintage category motorcycle, it carries the weight of decades of development, standing as a proud, if somewhat embattled, rival to contemporary Japanese offerings such as the Honda CB750 and Kawasaki Z1. This particular model, a T140V, signifies its five-speed gearbox, a common upgrade over earlier four-speed iterations, and reflects Triumph's ongoing efforts to remain competitive in a rapidly evolving market.
At its heart, the 1979 T140V Bonneville is powered by a 744.00 ccm (45.40 cubic inches) twin, four-stroke engine. This robust powerplant generates 49.00 HP (35.8 kW) at 6500 RPM, a respectable figure for its time. This power allows the Bonneville to reach a top speed of 177.0 km/h (110.0 mph), offering ample capability for spirited riding. Fuel capacity stands at 18.50 litres (4.89 gallons), providing a decent range for touring or longer excursions. The engine's traditional pushrod design and air-cooling were hallmarks of British engineering, offering a distinct character that set it apart from its increasingly sophisticated rivals.
Riding the T140V Bonneville offers a distinctive classic experience. Its upright stance and relatively neutral ergonomics provide a comfortable perch for varied riding conditions. The twin-cylinder engine delivers a characteristic thrum, a mechanical symphony that is unmistakably British. While not boasting the smooth refinement of some Japanese bikes of the era, the Bonneville’s handling is predictable, offering a reassuring feel through corners. The suspension, while basic by modern standards, provides adequate comfort for its intended purpose, prioritizing a connected road feel over plush isolation.
The 1979 Triumph T140V Bonneville appeals primarily to enthusiasts of vintage motorcycles, collectors, and riders seeking an authentic taste of British motorcycling heritage. Its status as a Vintage machine means it's often cherished for its aesthetic and historical value as much as its riding capabilities. While it may not compete with modern machines on raw performance or technological features, its enduring charm, distinct engine character, and classic lines make it a desirable acquisition. For those who appreciate the tactile and mechanical experience of a bygone era, the T140V Bonneville remains a compelling choice.
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With 49 HP, requires full Class A license. Riders must be 24+ or have 2 years A2 experience (20+).
Estimated average for 744cc class: 35-50 mpg (5.0-7.0 L/100km)
⛽ Tank: 18.50 litres (4.89 gallons)
Insurance grouping for Triumph T 140 V Bonneville (744cc):
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