3-position light switch, lever.
Lucas 31788
Part Numbers: LU31788, 57SA, 35710, 34419, 99-0563, 99-1251, 19-0964, 19-1030
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