Triumph Bonneville T120R Roadster 1968 - Specifications & Review

Introducing the 1968 Triumph Bonneville T120R Roadster

The 1968 Triumph Bonneville T120R Roadster stands as a quintessential example of British motorcycle heritage, perfectly blending classic style with spirited performance. Targeting the sport category, this iconic machine captured the hearts of motorcycle enthusiasts with its striking design and remarkable capabilities. With a legacy that dates back to the early 1950s, the Bonneville line has always been synonymous with speed, reliability, and a signature British flair, making it a staple on both the road and the racetrack. The T120R, specifically, was crafted for those who craved a thrilling ride without sacrificing the timeless elegance that Triumph is known for.

Engine Performance and Riding Experience

At the heart of the Bonneville T120R is a robust 649cc twin-cylinder, four-stroke engine, producing an impressive 46 horsepower at 6,500 RPM. This powerhouse, paired with a four-speed gearbox, delivers exhilarating acceleration and a top speed of 115 mph—an impressive feat for its time. With a compression ratio of 9.0:1 and a bore and stroke of 71 x 82 mm, the engine showcases its capability to provide a thrilling yet manageable ride. Riders will appreciate the smooth power delivery and the delightful rasp of the engine as the Amal Concentric carburettor ensures optimal fuel flow. Whether you’re carving through winding roads or cruising down the highway, the Bonneville’s lightweight frame and well-tuned suspension will instill confidence and exhilaration in every twist of the throttle.

Key Features and Technology

The 1968 Bonneville T120R is not just about performance; it’s also a showcase of vintage engineering excellence. The frame features a brazed lug, full-cradle design with a single downtube, ensuring both strength and stability. Its front suspension employs telescopic forks with hydraulic damping, while the rear utilizes a swingarm with two Girling dampers, providing a comfortable ride over various terrains. Stopping power comes from twin leading shoe drum brakes at the front and a reliable rear drum brake, giving riders a sense of control and security. The motorcycle's kick starter adds a touch of authenticity, while its 9.46-liter fuel tank ensures you can cover considerable distances before needing to refuel. The classic red color option beautifully complements its vintage aesthetic, making it a head-turner wherever it goes.

Pros and Cons

Pros:

1. Classic Aesthetics: The Bonneville T120R features a timeless design that appeals to vintage motorcycle enthusiasts and collectors alike.
2. Performance: With a powerful engine and lightweight chassis, it offers a thrilling ride with impressive acceleration and top speed.
3. Rider Comfort: The suspension setup provides a smooth and enjoyable riding experience, making it suitable for both short rides and longer journeys.

Cons:

1. Drum Brakes: While effective for their time, the drum brakes may not provide the same stopping power as modern disc brakes, which could affect performance in emergency situations.
2. Kick Starter: The traditional kick starter can be challenging for some riders, especially those accustomed to electric starters.
3. Limited Technology: Compared to contemporary motorcycles, the T120R lacks modern conveniences and electronic features, which may deter some riders looking for advanced technology.

In conclusion, the 1968 Triumph Bonneville T120R Roadster encapsulates the essence of classic motorcycle design infused with spirited performance, making it a beloved choice among enthusiasts who appreciate both the history and the thrill of riding.