Triumph Bonneville T120R Roadster 1969 - Specifications & Review
Article Complete Info
| Articleid | 57197 |
|---|---|
| Category | Sport |
| Make | Triumph |
| Model | Bonneville T120R Roadster |
| Year | 1969 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Brazed lug, full-cradle, single downtube |
|---|---|
| Frontbrakes | Expanding brake (drum brake). Twin Leading Shoe |
| Frontbrakesdiameter | 203 mm (8.0 inches) |
| Frontsuspension | Telescopic fork, hydraulic damping. |
| Fronttyre | 3.25-19 |
| Rake | 26.0° |
| Rearbrakes | Expanding brake (drum brake) |
| Rearbrakesdiameter | 178 mm (7.0 inches) |
| Rearsuspension | Swing arm, 2 Girling dampers |
| Reartyre | 4.00-18 |
| Seat | Dual seat, black and gray |
| Wheels | Wire spoked. Dunlop tyres. |
Engine & Transmission
| Borexstroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
|---|---|
| Clutch | Multi-plate, wet |
| Compression | 9.0:1 |
| Coolingsystem | Air |
| Displacement | 649.00 ccm (39.60 cubic inches) |
| Enginedetails | Twin, four-stroke |
| Fuelsystem | Carburettor. Amal Concentric carburettor |
| Gearbox | 4-speed |
| Ignition | Lucas |
| Power | 49.00 HP (35.8 kW)) @ 6200 RPM |
| Topspeed | 185.0 km/h (115.0 mph) |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Coloroptions | Olympic Flame/Silver |
|---|---|
| Electrical | 12-volt electrical system |
| Instruments | Smiths Magnetic gauges |
| Starter | Kick |
Physical Measures & Capacities
| Dryweight | 165.0 kg (363.8 pounds) |
|---|---|
| Fuelcapacity | 9.46 litres (2.50 gallons) |
| Groundclearance | 127 mm (5.0 inches) |
| Powerweightratio | 0.2970 HP/kg |
| Seatheight | 775 mm (30.5 inches) If adjustable, lowest setting. |
About Triumph Bonneville T120R Roadster 1969
Introducing the 1969 Triumph Bonneville T120R Roadster
The 1969 Triumph Bonneville T120R Roadster stands as a timeless icon in the world of motorcycles, revered for its blend of performance and classic aesthetics. Positioned firmly in the sport category, this motorcycle captures the essence of British motoring with its robust engine and distinctive styling. Triumph enthusiasts and collectors alike regard the Bonneville as a symbol of freedom and adventure, making it a sought-after gem for those who appreciate the art of two-wheeled engineering. With its legendary status, the T120R is not just a bike; it’s a piece of history that resonates with a spirit of rebellion and the open road.
Engine Performance and Riding Characteristics
At the heart of the Bonneville T120R is a powerful 649cc twin-cylinder, four-stroke engine that delivers a spirited 49 horsepower at 6200 RPM. This formidable powerplant not only offers impressive acceleration, achieving a top speed of 115 mph, but it also provides a thrilling riding experience characterized by smooth power delivery and a responsive throttle. The 9.0:1 compression ratio and Amal Concentric carburettor fuel system ensure that the engine breathes efficiently, allowing riders to enjoy the exhilarating sound of the exhaust as they twist the throttle. The motorcycle's lightweight frame, weighing in at just 165 kg, enhances its agility, making it a joy to navigate both winding roads and urban landscapes.
Key Features and Technology
The T120R is equipped with a range of features that highlight Triumph’s engineering prowess. The frame is a full-cradle design crafted from brazed lug construction, offering both strength and stability. The bike’s suspension system, featuring telescopic forks at the front and a swingarm with Girling dampers at the rear, ensures a smooth ride over varied terrains. Stopping power comes from twin-leading shoe drum brakes, providing reliable performance, while the kick starter adds a nostalgic touch to this classic machine. With a fuel capacity of 2.5 gallons, the Bonneville is well-suited for longer rides, allowing riders to relish every moment spent on the road. Available in the striking Olympic Flame/Silver color scheme, the T120R is as much about style as it is about substance.
Pros and Cons
Pros:
- Iconic Design: Classic styling that captures the essence of British motorcycles, appealing to enthusiasts.
- Responsive Performance: The engine provides a thrilling ride with smooth power delivery and impressive top speed.
- Agile Handling: Lightweight construction and well-tuned suspension create an engaging and nimble riding experience.
Cons:
- Limited Braking Power: Drum brakes, while effective, may not provide the same stopping confidence as modern disc systems.
- Kick Start Only: The absence of an electric start may be a drawback for some riders seeking convenience.
- Comfort for Long Rides: The seat height and design may not accommodate all riders comfortably for extended journeys.
The 1969 Triumph Bonneville T120R Roadster is a motorcycle that has transcended time, offering riders an exhilarating blend of performance, style, and heritage that continues to captivate the hearts of motorcycle enthusiasts around the globe.