CCR0993 Air By-Pass Screw for Zenith 40 TIN Carburetors
Air by-pass screw for the Zenith 40 TIN Carburetors.
This tapered screw is used to regulate the quantity of extra air that is fed into the engine at idle speed.
Required quantity per carburetor: 3
This is Number 2 in the drawing.
Our Article Number: CCR0993