The British Seagull® Amal 416 Carburettor Throttle Valve Piston is raised and lowered by the British Seagull Outboard Throttle Cables, which is connected to the British Seagull Outboard Throttle Control Lever, to change the amount of fuel allowed into the engine.
This part is suitable for all British Seagull Outboard engines fitted with the Amal 416 Carburettor including: AF, EF, FS, SEF, TSEF, AFPC, SEFPC, TSEFPC, EFPW, AFPW, EGFPW, WSC, ESC, WSPC, ESPC & EFNR and some very late EFPC & WS (not so common as the EFPC).