Triumph T120 R Bonneville 1960 - Specifications & Review

T120 R Bonneville

Article Complete Info

Articleid165158
CategorySport
MakeTriumph
ModelT120 R Bonneville
Year1960

Chassis, Suspension, Brakes & Wheels

FrametypeDuplex frame
FrontbrakesExpanding brake (drum brake)
Frontbrakesdiameter203 mm (8.0 inches)
FrontsuspensionTelescopic fork, hydraulic damping.
Fronttyre3.25-18
RearbrakesExpanding brake (drum brake)
Rearbrakesdiameter178 mm (7.0 inches)
RearsuspensionTwin shocks. Girlings 100 lb/ft spring tension, adjustable pre-set.
Reartyre4.00-18
SeatDual seat

Engine & Transmission

Borexstroke71.0 x 82.0 mm (2.8 x 3.2 inches)
ClutchMulti-plate, wet
CoolingsystemAir
Displacement649.00 ccm (39.60 cubic inches)
EnginedetailsTwin, four-stroke
FuelsystemCarburettor. Amal monobloc carburettor
Gearbox4-speed
IgnitionLucas K2F auto-advance Magneto
Power46.00 HP (33.6 kW)) @ 6700 RPM
Topspeed185.0 km/h (115.0 mph)
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsSky Blue/Silver Sheen/Gold Pinstripe
ElectricalAC Alternator

Physical Measures & Capacities

Dryweight178.0 kg (392.4 pounds)
Fuelcapacity15.14 litres (4.00 gallons)
Groundclearance127 mm (5.0 inches)
Powerweightratio0.2584 HP/kg
Seatheight770 mm (30.3 inches) If adjustable, lowest setting.

About Triumph T120 R Bonneville 1960

The 1960 Triumph T120 R Bonneville is a classic motorcycle that encapsulates the spirit of the early 1960s, a time when speed, style, and engineering excellence converged on two wheels. Positioned as a sport motorcycle, the Bonneville quickly became a symbol of British motorcycling prowess, appealing to riders who craved a blend of performance and sophistication. With its classic lines, distinctive color options—Sky Blue with Silver Sheen and Gold Pinstripe—and a reputation that has endured through the decades, the T120 R Bonneville is not just a bike; it's a statement of freedom and adventure.

At the heart of the T120 R Bonneville lies a robust 649cc twin-cylinder, four-stroke engine that exudes power and character. Producing 46 horsepower at 6700 RPM, this bike is capable of reaching a top speed of 185 km/h (115 mph), making it a formidable contender on both the road and the racetrack. The engine is paired with a four-speed gearbox that offers smooth gear transitions, while the air-cooled design ensures reliability during spirited rides. The Amal monobloc carburettor enhances throttle response, allowing riders to experience the thrill of acceleration as they navigate winding roads. With a power-to-weight ratio of 0.2584 HP/kg, the Bonneville strikes an impressive balance between power and agility, making it an exhilarating ride for enthusiasts who appreciate a lively and engaging experience.

This motorcycle isn’t just about raw performance; it also boasts a thoughtful design and advanced technology for its time. The duplex frame provides a stable foundation, while the telescopic front fork and twin shock rear suspension, with adjustable pre-set Girlings, ensure a comfortable ride over various terrains. The braking system, featuring expanding drum brakes at both the front (203 mm) and rear (178 mm), offers reliable stopping power, a crucial aspect for any sport-oriented motorcycle. The T120 R Bonneville also showcases a striking aesthetic that combines practicality with vintage charm, ensuring that it turns heads wherever it goes.

Pros:

  1. Powerful Engine Performance: The 649cc engine delivers impressive horsepower, allowing for thrilling rides and quick acceleration.
  2. Classic Aesthetic Appeal: The design and color options evoke a sense of nostalgia, making it a standout piece in any motorcycle collection.
  3. Comfortable Ride: With a well-designed suspension system and a manageable seat height, the Bonneville provides comfort for both short trips and long-distance cruising.

Cons:

  1. Drum Brakes: While adequate for the time, the drum brakes may feel less responsive compared to modern disc brake systems, affecting braking confidence.
  2. Weight: At 178 kg (392.4 pounds), the Bonneville may feel heavy for some riders, especially during low-speed maneuvers.
  3. Limited Modern Features: Lacking contemporary technology such as fuel injection or advanced electronics, it may not appeal to riders seeking the latest innovations in motorcycle engineering.

In summary, the 1960 Triumph T120 R Bonneville is more than just a motorcycle; it’s a piece of history that resonates with enthusiasts who appreciate timeless design and spirited performance. Whether you’re a collector or a rider looking to experience the thrill of classic motorcycling, the Bonneville offers a unique blend of power, charm, and nostalgia that is hard to resist.

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