1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 41Get this manual
Wide Open Throttle Stop
1With the engine not running, manually advance the throttle lever to the wide open position[":;';l r:;;;, 2Adjustthe wide open stop screw so thatthe roll pins
in the carburetor shafts are verticalRoll pins must not go past vertical
Idle Speed 1The boat and engine must be in the water under normal operating conditions with the correct propeller installed The boat's movement must be unrestrainedThe boat must not be tied to dock or trailer2Start the engine and allow it to reach normal operating temperature3Check idle RPM in FORWARD gear with an accurate tachometer
Ii""l 4StopAdjustengine to speed screw to obtain rotatingthe prevent contact with partsthe idle recom