Norton Commando Indicator Kit 1971/72 12VWinker Setwith 4 Long Stemsuitable for original lefthand side Lucas switch gearMade in EnglandPlease look at all pictures
Petrol Tap 1/8" x 1/4" BSP Round Lever.Gold Star to be fitted with gold Star Filter. 27-8443.Ajs. Matchless Compertition. lever type for in line filter. 1955- 376/093. 1927-1954 BS-1092.
9.7mm Thread, Outer at Petrol Tank 8.5mm Thread, Inner 55° 1/8" BSP 28TPI
13.15mm Thread, Outer at Petrol Pipe 11.4mm Thread, Inner at Petrol Pipe 55° 1/4" BSP 19TPIsuitable 1/8" fibre washer 70-0402Petrol Tap Nut with Spigot 1/4" Oil Nut. Gas Nut 1/4" Gas. Spigot Nut TubeBSPMade in England
BSA 250cc
Piston Assembly complete with piston rings, circlips and gudgeon pin
Piston Clearance 0.12mm or 45thou
Compression Height: 25.2mm
C11 1939-55
C12 1955-58
can also be used for C10, even if they usually had a flat top
Measurements see last pict. and techn. data