1916 2 ¼ h.p. "Calthorpe Two-Stroke"

1916 calthorpe 2stroke

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Engine - 2 ¼ h.p., 67 mm. bore x 69 mm. stroke having a capacity of 245 c.c. Two stroke of the three port type.

Carburetter - Amac.

Ignition - High-tension variable Magneto, handle bar control.

Tank - 1 ¼ gallons petrol, 1 quart oil. Best and Lloyd sight-feed lubrication.

Transmission - Enfield Patent Two-Speed gear and Free-Engine with cush sprocket. Roller chains from engine sprocket to gear. ¾in. Dunlop belt from fixed pulley off gear to rear belt rim.

Frame - Weldless steel tubing, all vital parts reinforced, Druid girder spring forks.

Brakes - Rear acting on belt rim, operated from foot pedal and powerful Bowden front brake.

Wheels - 26in. x 2in. Moseley Beaded Edge Studded Tyres, heavily plated steel rims with coloured centres, oil retaining dust and weather proof hubs.

Standard Fittings - Patent Pan seat, Gough or other option, rear stand, carrier, strong wide mudguards, armoured Pannier Bags with tools.

Finished in four coats of lustre enamel and all bright parts heavily plated, tank enamelled Black and Gold leaf lined.



Single-speed option at a reduce cost.


Additional Information - (Available to members in downloads section)

  • 1916 Sales Brochure, Enfield gear information and spare parts list.
  • Motor Cycling Announcement - (Ladies) Motorcyclette
  • The Motor Cycle Announcement - Ladies and Twin Sidecar Models


  • 1916 Sales Brochure