British Seagull® Outboard Amal Two-Jet Carburettor Throttle Valve Piston Locating Screw locates the Throttle Valve Piston in the correct orientation in the mixing chamber body.
This part is suitable for all British Seagull Outboard engines fitted with the Amal Two-Jet Carburettor including: AC, AD, AHC, TC, TD, THC, WC, WD, WHC, S, WS, WSC, SP, SPC & WSPC.