Lucas Toggle Switch, 3-Position

Genuine Lucas 3 position toggle switch 57SA. Fits into a 9/16″ hole.
As fitted to numerous Norton, BSA and Triumph models including :-

Triumph 250cc TR25W Trophy (1969-70), Triumph 350,500cc Unit Twins (1968-74)
Triumph 650cc Unit Twins TR6,T120 etc (1968-73), Triumph 750cc twins T140,TR7 etc (1973-78)
Triumph T150 Trident models (1968-75), Triumph 750cc TRX75 models (1973-)
BSA A50,A65 Twins (1968-70), BSA B25,B44 models (1968-70)
BSA A75 Rocket 3 models (1969-70), Norton 750,850cc Commandos (1970-75)
Montesa 250cc King Scorpions (1972-73)
Royal Enfield 750cc Interceptor Series 1A,2 models (1967-70)
Rickman 125cc Six Days (1973), Velocette Thruxton and MK2 Clubman (later)

3 Position 57SA Toggle Switch

Lucas 31788, replaces Lucas 35710 and 34419

OEM:  31788, 34419, 35710, 068024, 06-8024, 19-0964, 19-1030, 40-6683, 99-0563, 99-1251

Our part no:  31788