The British Seagull® Outboard Villiers carburettor choke shutter spring washer locates on to the British Seagull Outboard Villiers Carburettor Choke Shutter Screw to hold the British Seagull Outboard Villiers Carburettor Choke Shutter in place and prevents loosening.
This British Seagull part is suitable for engines fitted with the Villiers carburettor only.