1992 Johnson/Evinrude EN 2.3 thru 8 outboards Service Manual, Page 77Get this manual
Carburetor Adjustment2.3, 3.3 Idle Speed Adjustment For accurate results, test run the engine in the water on the customer's boat
i operating temperature before making adjustmentInspect
engine for gasoline leaksr:jl 2Run engine at slow speed, and adjust the slow speed adjustment screw until the engine runs in the range of 1100-1300 RPMAllow 15 seconds for the engine to respond to adjustmentThrottle Jet Needle Adjustment
'" 1Start engine and run it at half throttle until it reaches
f2l The carburetor is equipped with throttle valve that uses a
tapered jet needle to vary the fuel flow as the carburetor is openedNormally, the clip is in the third groove Relocating the clip to the first or second groove of the jet needle will lean the mixture