BSA Carburettor M21 1 1/16" Amal. Main Jet 160. Needle Jet 106. Slide No. 4. also suitable for many Pre War BSA incl. Sloper and Blue Star. fitted with Type 6 or 76 Carburettor. Various Jets avaiable on request.

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Radco 500 cc OHV 1928. Twin Port 85.7x85 mm bore and stroke. Engine No. KOY/C 6 729. Frame No. 102. Forks and crankshaft have been overhauled. new Petrol Tank - Wrong Cap. Assembled gears in Timing side. no magneto 1 tappet is missing, 1 val...