Triumph Speed Twin 1949 - Specifications & Review

Speed Twin

Article Complete Info

Articleid462139
CategoryAllround
MakeTriumph
ModelSpeed Twin
Year1949

Chassis, Suspension, Brakes & Wheels

FrontbrakesExpanding brake (drum brake)
FrontsuspensionTelescopic
RearbrakesExpanding brake (drum brake)
RearsuspensionRigid-optional sprung hub

Engine & Transmission

Displacement498.00 ccm (30.39 cubic inches)
EnginedetailsTwin, four-stroke
Enginetype360 degree paprallel
FuelsystemCarburettor. Amal
IgnitionLucas altrnator
Power27.00 HP (19.7 kW)) @ 6300 RPM
TransmissiontypefinaldriveChain

Physical Measures & Capacities

Dryweight158.8 kg (350.0 pounds)
Powerweightratio0.1701 HP/kg

About Triumph Speed Twin 1949

1949 Triumph Speed Twin: A Timeless Classic

The 1949 Triumph Speed Twin holds a special place in motorcycle history as a pioneer of the British motorcycle scene. Positioned as an all-rounder, it seamlessly merges style, performance, and practicality. As one of the first motorcycles to feature a parallel-twin engine, the Speed Twin set the standard for future designs with its innovative engineering and aesthetic appeal. With a robust presence on the road and a reputation for reliability, this machine captured the hearts of riders looking for a versatile companion that could handle both city streets and winding country roads.

At the heart of the Speed Twin is a 498 cc, twin-cylinder, four-stroke engine that delivers a spirited 27 horsepower at 6,300 RPM. This powerplant not only provides ample acceleration but also imbues the bike with an engaging riding experience that is both responsive and exhilarating. The Amal carburettor ensures a smooth fuel delivery, while the Lucas alternator ignition system guarantees dependable starts and consistent performance. With a power-to-weight ratio of 0.1701 HP/kg, riders can expect a lively ride, enhanced by the motorcycle’s lightweight design of just 158.8 kg (350 pounds). The telescopic front suspension offers a comfortable ride, absorbing bumps and imperfections on the road, while the optional sprung hub for the rear adds an extra layer of smoothness, making the Speed Twin a joy to ride over longer distances.

Beyond its engine performance, the 1949 Speed Twin is adorned with features that reflect the era's engineering prowess. The classic drum brakes at both the front and rear provide reliable stopping power, although they require a gentle hand compared to modern disc systems. Its timeless design, with elegant lines and a polished chrome finish, draws admiration from enthusiasts and collectors alike. The Speed Twin's iconic silhouette and vintage charm make it a true standout, embodying the spirit of post-war motorcycling while remaining thoroughly functional for everyday rides.

Pros:

  1. Heritage and Style: The Speed Twin's classic design and historical significance make it a coveted addition for any vintage motorcycle enthusiast.
  2. Versatile Performance: With a balanced power delivery and lightweight construction, it excels in various riding conditions, from urban commuting to leisurely country rides.
  3. Dependable Engineering: The robust build quality and time-tested components reflect Triumph's commitment to reliability and craftsmanship, ensuring a rewarding ownership experience.

Cons:

  1. Braking Limitations: The drum brakes, while effective for their time, may not provide the stopping power and responsiveness expected by modern riders.
  2. Limited Power Output: Although spirited, the 27 HP might feel underwhelming compared to contemporary motorcycles, particularly for those seeking more exhilarating performance.
  3. Comfort for Long Rides: The rigid rear suspension can lead to a less comfortable ride over extended distances, requiring riders to be mindful of road conditions.

Overall, the 1949 Triumph Speed Twin remains a beloved motorcycle that captivates enthusiasts with its rich heritage and timeless performance, making each ride an unforgettable journey through history.

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