Triumph T120 Bonneville 1959 - Specifications & Review
Article Complete Info
| Articleid | 337891 |
|---|---|
| Category | Sport |
| Make | Triumph |
| Model | T120 Bonneville |
| Year | 1959 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Brazed lug, rigid |
|---|---|
| Frontbrakes | Expanding brake (drum brake) |
| Frontbrakesdiameter | 203 mm (8.0 inches) |
| Frontsuspension | Telescopic fork. |
| Fronttyre | 3.25-19 |
| Rearbrakes | Expanding brake (drum brake) |
| Rearbrakesdiameter | 178 mm (7.0 inches) |
| Rearsuspension | Twin shocks. Girlings 100 lb/ft spring tension, adjustable pre-set. |
| Reartyre | 3.50-19 |
| Seat | Dual seat |
Engine & Transmission
| Borexstroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
|---|---|
| Clutch | Multi-plate, wet |
| Coolingsystem | Air |
| Displacement | 649.00 ccm (39.60 cubic inches) |
| Enginedetails | Twin, four-stroke |
| Fuelsystem | Carburettor. Amal monobloc carburettor |
| Gearbox | 4-speed |
| Ignition | Lucas Magneto |
| Power | 46.00 HP (33.6 kW)) @ 6700 RPM |
| Topspeed | 185.0 km/h (115.0 mph) |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Coloroptions | Pearl Grey/Tangerine Orange |
|---|
Physical Measures & Capacities
| Dryweight | 183.0 kg (403.4 pounds) |
|---|---|
| Fuelcapacity | 15.14 litres (4.00 gallons) |
| Groundclearance | 127 mm (5.0 inches) |
| Powerweightratio | 0.2514 HP/kg |
| Seatheight | 770 mm (30.3 inches) If adjustable, lowest setting. |
About Triumph T120 Bonneville 1959
1959 Triumph T120 Bonneville: A Classic Sport Icon
The 1959 Triumph T120 Bonneville is a legendary name in the world of classic motorcycles, capturing the hearts of enthusiasts and collectors alike. Positioned as a premier sport bike of its era, the Bonneville was designed to cater to the performance-hungry riders who craved speed, style, and a touch of British engineering finesse. With its striking Pearl Grey and Tangerine Orange color options, this motorcycle not only turned heads but also established Triumph as a formidable player in the motorcycle market. The T120 Bonneville is not just a bike; it's a statement of freedom and adventure that continues to resonate with riders today.
At the heart of the T120 Bonneville lies a robust 649cc twin-cylinder, four-stroke engine that delivers an impressive 46 horsepower at 6700 RPM. Riders can expect exhilarating performance, with a top speed of 185 km/h (115 mph) that makes it a thrilling option for both city cruising and open road excursions. The smooth power delivery through the four-speed gearbox and the responsive Amal monobloc carburettor ensures that the Bonneville is as much about the ride as it is about the destination. The motorcycle's lightweight frame, weighing in at just 183 kg (403.4 pounds), contributes to its nimble handling characteristics, allowing riders to navigate tight corners and twisty roads with confidence.
The T120 Bonneville is packed with features that were advanced for its time, including a rigid brazed lug frame and a telescopic front fork that enhance stability and control. The drum brakes, while modest by today's standards, offer effective stopping power, and the twin shocks at the rear with adjustable spring tension allow for a customizable ride experience. The air-cooled engine and Lucas magneto ignition system speak to Triumph's commitment to quality and reliability, ensuring that each ride remains as exhilarating as the last. With a fuel capacity of 15.14 liters (4 gallons), riders can enjoy extended journeys without frequent stops at the pump, making it ideal for weekend getaways or spirited rides.
#### Pros and Cons of the 1959 Triumph T120 Bonneville
Pros:
- Timeless Design: The combination of classic aesthetics and vibrant color options make it a standout in any collection.
- Powerful Performance: With 46 HP and a top speed of 115 mph, it offers thrilling acceleration and speed for sport riding.
- Lightweight and Agile: Weighing just 183 kg, the Bonneville is easy to handle, making it suitable for both new and experienced riders.
Cons:
- Drum Brakes: While effective for its time, the drum brake system may not provide the stopping power expected by modern riders.
- Limited Comfort for Long Rides: The seat height and riding position may not be ideal for long-distance touring, which can be challenging for taller riders.
- Maintenance Considerations: As a vintage motorcycle, it may require more frequent maintenance and care to keep it in top condition compared to modern bikes.
The 1959 Triumph T120 Bonneville is more than just a motorcycle; it is a piece of history that embodies the spirit of adventure and the thrill of the ride. Whether you’re a collector, a vintage bike enthusiast, or simply someone who appreciates fine engineering, the Bonneville remains a classic that promises an unforgettable journey on two wheels.