Motorcycle Classics Blogs > Barber's Best

Barber's Best

A virtual tour of the classic motorcycle collection on display at the Barber Vintage Motorsports Museum in Leeds, Ala.

1948 Triumph Speed Twin

1948 Triumph Speed Twin

1948 Triumph Speed Twin

Country: Great Britain
Engine: Air-cooled vertical twin four stroke
Ignition: B.T.H. Magneto
Power Rating: 28bhp @ 6,000rpm
Bore x Stroke: 63mm x 80mm
Displacement: 498cc
Valves: Overhead, pushrod activated
Fuel System: Single Amal Type 6 carburetor
Transmission: Four speed
Suspension: Front telescopic forks rigid rear
Brakes: Front and rear drum
Weight: 365 lbs.
Top Speed: 75mph

1948 Triumph Speed Twin (2)

Edward Turner's revolutionary vertical twin only had a brief production period in the late 1930's when World War II intervened. Post-war, the Speed Twin re-appeared in similar form with the exception of telescopic forks replacing the old-style girders. Maroon Speed Twins were used by the majority of police forces in Britain and were popular for their speed and flexibility.

1948 Triumph Speed Twin (3)