1912 4 ¼ HP Precision SV

Appearance As picture.

 

Specification

Engine - 4 ¼ h.p. Precision side valve single cylinder, 90 mm. bore x 96 mm. stroke giving a capacity of 600 c.c.  

Carburettor - B & B fitted as standard.

Ignition - Bosch magneto.

Transmission - Calthorpe two-speed countershaft gear, complete with kick starter, OR with three-speed Armstrong gear, OR with single fixed drive.

Frame - Heavy Druid forks, spring stand,

Standard Fittings - Brooks B104 Saddle, wide mudguards and large magneto guard. 

 

Extras 

Side-Car, Coach-built body with hood and windscreen.

Sources

Patent application 5927, 1911, filed 9^th March 1911, accepted 7^th March 1912.

Motor Cycle, October 5^th 1911

Motor Cycling, 21^st November 1911

Motor Cycle, 23^rd November 1911

Bicycling News and Motor Review, September 11^th 1912 (4 ¼ HP model)