1932 500cc Ivory Major

1932 500cc

Appearance As picture (see 1932 350cc model for left-hand view)



Engine - Two-port OHV design, 85.5mm bore x 86mm stroke having a capacity of 490 c.c. Aluminium piston.

Carburettor - Amac T.T type.

Petrol Tank - 2 1/4 gallons capacity. Chromium plated with ivory top, insetted with a rectangular instrument panel incorporating the lighting switch, ammeter, oil pressure gauge and quick release filler cap.

Forks - Girder.

Transmission - Roller chain throughout, Primary and dynamo chains enclosed in a cast aluminium oil bath gearcase.

Gearbox - Special Calthorpe four-speed (Albion) with hand change.

Wheels - 6 inch internally expanding brakes.

Tyres - 26in. x 3.25in. Dunlop studded heavy 4-ply cord.

Electrics - Fitted standard with Miller coil ignition lighting set and horn.

Front and rear stands, Terry heavyweight de Luxe saddle.


Mudguards and tank top finished in Calthorpe Ivory or ebony black at option, and lined to suit the colour.



Trip or non-trip Smiths speedometer with internal front wheel drive.

Magneto ignition and Miller S.U.S lighting set.



Introduction of the 500cc and 250cc Ivory models for 1932.

Chromium plated tank as standard.

Available without Lighting set and horn for reduced price.


Additional Information  - (Available to members in downloads section) 

  • 1932 350cc Ivory sales brochure.
  • 1932 Ivory Calthorpe sales brochure (all models).
  • Estimate production and known surviving machine figures.


  •  1932 Ivory Calthorpe sales brochures.