F/A screw

[MidnightBlade]

wondering where the fuel air screw is located on the carb of an 05 ex. and which way do you turn it to make it run richer? thanks

[2006 400ex slsd]

its located on the left side ill get a pic up later of it:)

[bkelley]

It's on the bottom of the carburetor behind the bracket for the idle screw. Turning the screw in makes the mixture leaner, and turning it out makes it richer.