Metering Rod
- Remove air cleaner, air horn and gasket from carburetor. Back out idle speed adjusting screw until throttle plate is tightly closed in throttle bore. Press down on end of pump diaphragm shaft until assembly bottoms.
- While holding diaphragm assembly in this position, turn rod adjustment screw counterclockwise until metering rod gently bottoms in body casting. See Fig 1 . Turn metering rod adjustment screw clockwise exactly 1 turn for final adjustment.
- Install air horn and new gasket on carburetor. Start engine and check for fuel leaks. Install air cleaner.