1934 250cc Ivory


Appearance As picture 



Engine - Two port OHV type, 67 mm bore x 70 mm stroke, Dry sump lubrication, oil reservoir cast into crankcase. Totally enclosed valve gear (except tappets), aluminium piston

Gear driven magneto (Maglita)

Carburettor - Amac TT type Carburettor specified, in practice an Amal was fitted.

Tank - 2 1/4 gallon fuel tank with inserted instrument panel.

Forks - centre spring Druid.

Gearbox - 4 speed Burman

Wheels - 6 inch brakes, 26 x 3 tyres.

Saddle - Terry de luxe.



Coil ignition, lighting set and horn.

Magdyno lighting, ignition and horn.



Notes Promoted as a smaller version of the 500 cc model.


Additional Information  - (Available to members in downloads section). 

  • Complete 1934 sales brochure.
  • Estimate production and known surviving machine figures.



  •  1934 Ivory Calthorpe sales brochure.