1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 44Get this manual
Synchronization and Linkage Adjustments 9.915 (305cc) Tiller Models Note You must perform this step-by-step procedure exactly as
written to ensure consistent engine idling and smooth operation throughout the RPM rangeShift Lever Detent Adjustment
1Loosen detent spring adjustment screwand remove neutral lockout link connector from shift lever