1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 46Get this manual
Synchronization and Linkage Adjustments20 I Note It is important that this step-by-'step procedure be followed in sequence and be performed exactly as written to ensure consistent engine idling and smooth operation throughout the RPM rangeI Note If equipped, remove both remote control cables from the engine before performing these adjustmentsCam Follower Pickup Point
1Tiller ModelsTurn the idle adjusting knob counterclockwise to the full SLOW position2All ModelsLoosen locknut and back out the throttle arm stop screw until throttle arm touches screw's mounting bracket
3Connect throttle shaft amplifier, like the one shown, to the carburetor throttle shaft
rn 4Advanceamplifier begins moving theAtthrottle control lever the throttle by to movethis point, the cam until tip of the