Triumph Bonneville T120C Street Scrambler 1963 - Specifications & Review

Bonneville T120C Street Scrambler

Article Complete Info

Articleid290129
CategoryAllround
MakeTriumph
ModelBonneville T120C Street Scrambler
Year1963

Chassis, Suspension, Brakes & Wheels

FrametypeBrazed lug, full-cradle, single downtube
FrontbrakesExpanding brake (drum brake)
Frontbrakesdiameter203 mm (8.0 inches)
FrontsuspensionTelescopic fork, hydraulic damping.
Fronttyre3.25-18
Rake26.0°
RearbrakesExpanding brake (drum brake)
Rearbrakesdiameter178 mm (7.0 inches)
RearsuspensionSwing arm, 2 Girling dampers
Reartyre3.50-18
SeatDual seat
WheelsWire spoked

Engine & Transmission

Borexstroke71.0 x 82.0 mm (2.8 x 3.2 inches)
ClutchMulti-plate, wet
Compression8.5:1
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)) @ 6500 RPM
Topspeed185.0 km/h (115.0 mph)
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsAlaskan White
CommentsStreet Scrambler with high exhaust pipes.
ElectricalLucas RM19 alternator, 6-volt electrical system
StarterKick

Physical Measures & Capacities

Dryweight165.0 kg (363.8 pounds)
Fuelcapacity15.14 litres (4.00 gallons)
Groundclearance127 mm (5.0 inches)
Powerweightratio0.2788 HP/kg
Seatheight775 mm (30.5 inches) If adjustable, lowest setting.

About Triumph Bonneville T120C Street Scrambler 1963

1963 Triumph Bonneville T120C Street Scrambler: Classic Versatility Meets Timeless Style

The 1963 Triumph Bonneville T120C Street Scrambler stands as a testament to the golden age of British motorcycling, perfectly blending rugged functionality with iconic style. Positioned in the allround category, this motorcycle captures the hearts of enthusiasts seeking both adventure and a slice of history. With its high pipe configuration and robust design, it's not just a bike; it's a statement piece that invites riders to explore the open road and conquer off-road trails with equal enthusiasm. The Alaskan White color option adds a touch of vintage charm, making it a sought-after classic for collectors and riders alike.

At the heart of the Bonneville T120C lies a finely tuned 649cc twin-cylinder, four-stroke engine that emanates a raw, exhilarating power output of 46 horsepower at 6,500 RPM. This power allows for a thrilling top speed of 115 mph, ensuring that riders experience both the rush of acceleration and the joy of open-air cruising. The engine's design features a compression ratio of 8.5:1, with a bore and stroke configuration of 71 x 82 mm, providing a unique balance of torque and agility. The air-cooled system and Amal monobloc carburettor work harmoniously to deliver a smooth throttle response, while the 4-speed gearbox and multi-plate wet clutch facilitate seamless gear transitions, making every ride an engaging experience.

The Bonneville T120C is not just about performance; it also boasts features that enhance its rideability and aesthetics. The brazed lug, full-cradle frame provides a solid foundation, complemented by the telescopic front forks with hydraulic damping and a swing arm rear suspension featuring Girling dampers. This combination ensures a stable and comfortable ride, whether navigating city streets or tackling rugged terrains. The drum brakes, while vintage, offer dependable stopping power, with the front brake diameter measuring 203 mm and the rear at 178 mm, providing confidence in various riding conditions. With a seat height of 30.5 inches, this scrambler is approachable for a wide range of riders, making it a versatile choice for both new and experienced motorcyclists.

Pros:

  1. Classic Aesthetic: The timeless design and unique high exhaust pipes make it a standout in any collection.
  2. Robust Performance: With 46 HP and a top speed of 115 mph, it delivers an exhilarating riding experience.
  3. Versatile Rideability: Capable of handling both on-road and off-road terrains, it appeals to adventure seekers.

Cons:

  1. Limited Braking Technology: The drum brakes may not provide the same stopping power and responsiveness as modern disc brakes.
  2. Kick Start Only: The absence of an electric starter may be a challenge for some riders, especially in colder conditions.
  3. Weight: At 363.8 pounds, it may feel cumbersome for less experienced riders when maneuvering at low speeds.

Overall, the 1963 Triumph Bonneville T120C Street Scrambler is a motorcycle that perfectly encapsulates the spirit of adventure, delivering both exhilarating performance and an unmistakable classic charm. Whether you’re a seasoned rider or a newcomer to the world of motorcycles, this iconic machine promises an engaging ride and a connection to a storied past.

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