Triumph Bonneville T120C Street Scrambler 1969 - Specifications & Review

Bonneville T120C Street Scrambler

Article Complete Info

Articleid257702
CategoryAllround
MakeTriumph
ModelBonneville T120C Street Scrambler
Year1969

Chassis, Suspension, Brakes & Wheels

FrametypeBrazed lug, full-cradle, single downtube
FrontbrakesExpanding brake (drum brake). Twin Leading Shoe
Frontbrakesdiameter203 mm (8.0 inches)
FrontsuspensionTelescopic fork, hydraulic damping.
Fronttyre3.25-19
Rake26.0°
RearbrakesExpanding brake (drum brake)
Rearbrakesdiameter178 mm (7.0 inches)
RearsuspensionSwing arm, 2 Girling dampers
Reartyre4.00-18
SeatDual seat
WheelsWire spoked, grey and black

Engine & Transmission

Borexstroke71.0 x 82.0 mm (2.8 x 3.2 inches)
ClutchMulti-plate, wet
Compression9.0:1
CoolingsystemAir
Displacement649.00 ccm (39.60 cubic inches)
EnginedetailsTwin, four-stroke
FuelsystemCarburettor. Amal concentric carburettor, 30 mm.
Gearbox4-speed
IgnitionLucas
Power49.00 HP (35.8 kW)) @ 6200 RPM
Topspeed185.0 km/h (115.0 mph)
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsOlympic Flame/Silver
CommentsStreet Scrambler with high exhaust pipes.
Electrical12-volt electrics
StarterKick

Physical Measures & Capacities

Dryweight165.0 kg (363.8 pounds)
Fuelcapacity9.46 litres (2.50 gallons)
Groundclearance127 mm (5.0 inches)
Powerweightratio0.2970 HP/kg
Seatheight775 mm (30.5 inches) If adjustable, lowest setting.

About Triumph Bonneville T120C Street Scrambler 1969

Introducing the 1969 Triumph Bonneville T120C Street Scrambler

Step back in time to the vibrant era of the late 1960s, when motorcycles were not just machines, but symbols of freedom and adventure. The 1969 Triumph Bonneville T120C Street Scrambler embodies this spirit with its rugged charm and all-round versatility. Positioned as a bridge between the classic road bike and the budding off-road scene, this motorcycle captured the hearts of riders who craved both style and performance. With its iconic design and powerful capabilities, the Bonneville T120C remains a sought-after classic among collectors and enthusiasts alike.

Engine Performance and Riding Characteristics

At the heart of the Bonneville T120C is a robust 649cc twin-cylinder, four-stroke engine that churns out an impressive 49 horsepower at 6200 RPM. This powerplant, coupled with a 4-speed gearbox, delivers an exhilarating top speed of 115 mph, ensuring that riders feel the rush as they hit the open road or tackle rugged trails. The engine's 9.0:1 compression ratio and 30 mm Amal concentric carburettor provide crisp throttle response, while the air-cooled design keeps things simple and reliable. With a power-to-weight ratio of 0.2970 HP/kg, the Bonneville offers spirited acceleration and agile handling, making it a delight for any motorcycle enthusiast.

Key Features and Technology

The T120C’s vintage allure is complemented by a host of practical features and thoughtful engineering. Its frame, a brazed lug, full-cradle design with a single downtube, offers a sturdy foundation that enhances stability on both pavement and dirt. The 203 mm twin leading shoe front drum brake and 178 mm rear drum brake provide dependable stopping power, essential for navigating diverse terrains. The bike's suspension system, featuring a telescopic fork up front and a swingarm with two Girling dampers at the rear, ensures a smooth ride, whether you're cruising through city streets or bouncing over rough trails. The high exhaust pipes not only add to the scrambler aesthetic but also provide a throaty growl that resonates with the rider's spirit of adventure.

Pros and Cons of the 1969 Triumph Bonneville T120C Street Scrambler

Pros:

  1. Classic Aesthetic: The Bonneville T120C boasts an iconic design that appeals to vintage motorcycle enthusiasts and collectors.
  2. Versatile Performance: With its capable engine and adaptable chassis, this bike is well-suited for both on-road cruising and off-road exploring.
  3. Simplicity and Reliability: Its air-cooled engine and traditional carburettor system offer ease of maintenance and a straightforward riding experience.

Cons:

  1. Limited Modern Features: Lacking contemporary technology like fuel injection or advanced braking systems may deter some modern riders.
  2. Weight Distribution: At 165 kg, the bike may feel heavy to novice riders, especially when maneuvering at low speeds.
  3. Kick Start Only: The absence of an electric starter means riders must rely on their kicking prowess, which may not appeal to everyone.

In summary, the 1969 Triumph Bonneville T120C Street Scrambler is a timeless piece of motorcycle history, offering a blend of classic charm and dependable performance. Whether you're a seasoned rider or a newcomer to the world of motorcycles, this bike promises an exhilarating ride, making it a worthy addition to any enthusiast's garage.

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