1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 48Get this manual
Synchronization and Linkage Adjustments 45 and 55 CommModels
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 rangeThrottle Cable Adjustment
1As you face the steering handle, turn the idle speed adjustment knob counterclockwise to minimum slow speed position2Be sure throttle cable bracket is secured to the powerhead using the forward bracket hole
rJl f41 3