1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Repair Manual P/N 520204, Page 46Get this manual
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Synchronization and Linkage Adjustments20
1 Tiller ModelsTurn the idle adjusting knob counterclockwise to the full SLOW position
2 All ModelsLoosen locknut and back out the throttle arm st