Triumph Bonneville T120TT 1966 - Specifications & Review
Article Complete Info
| Articleid | 235071 |
|---|---|
| Category | Sport |
| Make | Triumph |
| Model | Bonneville T120TT |
| Year | 1966 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Brazed lug, full-cradle, single downtube |
|---|---|
| Frontbrakes | Expanding brake (drum brake) |
| Frontbrakesdiameter | 203 mm (8.0 inches) |
| Frontsuspension | Telescopic fork, hydraulic damping. |
| Fronttyre | 3.50-19 |
| Rake | 28.0° |
| Rearbrakes | Expanding brake (drum brake) |
| Rearbrakesdiameter | 178 mm (7.0 inches) |
| Rearsuspension | Swing arm, 2 Girling dampers |
| Reartyre | 4.00-18 |
| Seat | Dual seat |
| Wheels | Wire spoked |
Engine & Transmission
| Borexstroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
|---|---|
| Clutch | Multi-plate, wet |
| Compression | 11.0:1 |
| Coolingsystem | Air |
| Displacement | 649.00 ccm (39.60 cubic inches) |
| Driveline | Constant-mesh, right-foot shift |
| Enginedetails | Twin, four-stroke |
| Fuelsystem | Carburettor. Amal monobloc carburettor |
| Gearbox | 4-speed |
| Ignition | AC energy transfer (ET) |
| Power | 52.00 HP (38.0 kW)) @ 6500 RPM |
| Topspeed | 185.0 km/h (115.0 mph) |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Coloroptions | Red/white |
|---|---|
| Electrical | Lucas RM19 alternator, 12-volt electrics |
| 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 | 0.3152 HP/kg |
| Seatheight | 775 mm (30.5 inches) If adjustable, lowest setting. |
About Triumph Bonneville T120TT 1966
1966 Triumph Bonneville T120TT: A Classic Sport Icon
The 1966 Triumph Bonneville T120TT stands as a testament to the golden era of British motorcycle engineering, capturing the essence of the sport category with its blend of performance, style, and heritage. Designed to satisfy the demands of both road enthusiasts and competitive racers, the T120TT is a limited-edition variant of the legendary Bonneville series, tailored for those who crave an exhilarating ride. Its sleek lines, vibrant color options of red and white, and unmistakable Triumph badge make it an iconic addition to any motorcycle collection.
At the heart of the Bonneville T120TT lies a robust 649cc twin-cylinder, four-stroke engine that churns out an impressive 52 horsepower at 6500 RPM. This power pushes the motorcycle to a thrilling top speed of 115 mph, making it a formidable contender on both the streets and racetracks. The engine's high compression ratio of 11.0:1 ensures that every drop of fuel is utilized efficiently, delivering a punchy performance that is both exhilarating and responsive. Riders will appreciate the smooth power delivery through the 4-speed gearbox, while the chain final drive adds a tactile connection with the road. With a weight of just 165 kg, the T120TT boasts an admirable power-to-weight ratio, enhancing its agility and responsiveness during spirited rides.
The T120TT features a thoughtfully designed chassis that combines tradition with modern technology of its time. The brazed lug, full-cradle frame provides superior stability, while the telescopic front fork with hydraulic damping and rear swing arm with Girling dampers offer a comfortable ride over various terrains. The motorcycle’s braking system showcases the classic expanding drum brakes, with an 8-inch front and 7-inch rear setup that provides ample stopping power for spirited riding. Its kick-starter encourages a genuine connection between rider and machine, harkening back to the roots of motorcycling. With a seat height of 775 mm and a ground clearance of 127 mm, the T120TT is designed for an accommodating ride, appealing to a wide range of enthusiasts.
#### Pros:
- Classic Aesthetic: The Bonneville T120TT's vintage design and iconic color options make it a head-turner, appealing to classic motorcycle enthusiasts.
- Performance-Oriented: With its powerful twin engine and agile handling, it offers an exhilarating riding experience, perfect for sport riding and track days.
- Heritage and Craftsmanship: Built with quality materials and attention to detail, this motorcycle embodies the rich history of Triumph and British engineering.
#### Cons:
- Limited Comfort for Long Rides: The design prioritizes sportiness, which may result in less comfort for extended journeys compared to modern touring motorcycles.
- Drum Brakes: While adequate for its time, the drum brake system may not provide the stopping power and responsiveness found in contemporary disc brake setups.
- Kick Start Only: The absence of an electric start may be a drawback for riders looking for convenience, especially in urban settings.
In summary, the 1966 Triumph Bonneville T120TT is not just a motorcycle; it’s a piece of history that offers a thrilling ride for those who appreciate the art of motorcycling. Its combination of performance, design, and heritage makes it a coveted choice for enthusiasts and collectors alike.