1955 Norton Dominator Model 7
Naked Bike

1955 Norton Dominator Model 7 Specifications

  • Updated: 2023-03-20

General information

ModelNorton Dominator Model 7
Year1955

Engine and transmission

Displacement497.0 ccm (30.33 cubic inches)
Engine typeTwin, four-stroke
Compression6.7:1
Bore x stroke66.0 x 72.6 mm (2.6 x 2.9 inches)
Fuel systemCarburettor
Fuel controlOverhead Valves (OHV)
IgnitionMagneto
Cooling systemAir
Transmission typeChain (final drive)
ClutchWet multiplate

Chassis, suspension, brakes and wheels

Front brakesExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)
Seat height787 mm (31.0 inches) If adjustable, lowest setting.
Wheelbase1410 mm (55.5 inches)
Show all bikes made in 1955