1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 38Get this manual
Synchronization and Linkage Adjustments Remote Control Models
INote You
must perform this step-by-step procedure exactly as written to ensure consistent engine idling and smooth operation throughout the RPM range
INotel The remote control cables must be installed on the engine before performing the following adjustmentsRefer to Remote Control Cable InstallationEngine, this sectionIdle Speed 1The boat must be in the water, under normal operating conditions, with the correct propeller installedThe boat's movement must be unrestrained The boat must not be tied to dock or trailerINotel The idle mixture in the carburetor is controlled by factory adjustment to meet current emission standardsThe adjustment should only be disturbed for cleaning or rebuilding purposesIf the adjustment has been disturbed, refer to Carburetor Adjustment, Section 22Start the engine and allow it to reach normal operating temperature3Stop the engineRemove cable anchor retainerRemove throttle cable trunnion nut from anchor pocket