1951 Triumph Speed Twin 5T

1951 Triumph Speed Twin 5T Specifications

  • Updated: 2023-03-20

General information

ModelTriumph Speed Twin 5T

Engine and transmission

Displacement498.0 ccm (30.39 cubic inches)
Engine typeTwin, four-stroke
Power27.0 HP (19.7 kW) @ 6300 RPM
Fuel systemCarburettor. Amal
Fuel controlOverhead Valves (OHV)
IgnitionBattery/ coil
Lubrication systemDry sump
Transmission typeChain (final drive)

Chassis, suspension, brakes and wheels

Front suspensionTelescopic
Rear suspensionSwingarm with coil-over shocks
Front brakesExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)
SeatDual seat
Wheelbase1400 mm (55.1 inches)
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