Go Kart Steering Lock Toe Alignment Kit

A: The factory carburetors should come set at .085" but we find .075" works better and is where we set the fulcrum arm when we rebuild the carburetor.

A: Flush with the trench of the carburetor may prevent the needle valve from opening as it should. This will make the fuel mixture lean.

A gauge helps with accurate and repeatable carburetor tuning and rebuilding.

.085" is usually where the factory sets the fulcrum arm; in our experience, .075" works better for gas carburetors.

This gives a little more height for the metering diaphragm to push down on the lever allowing the inlet needle to come further out of the seat. The result may richen the fuel mixture slightly, but this usually helps the engines start and run better and gives more tuning range for the adjustment needles.