1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Manual, Page 45Get this manual
3Back out the idle speed screw screw until flush with anchor block
and wide open stop
IT] 4Turn the twist grip to full open and to full closed positionsCheck the clearance between the roller and end of the cam slotThe roller should be approximately 1f4 in(6 mm) away from both ends of slot5If adjustment is necessary, loosen jam nut and rotate thumb wheel to obtain correct adjustmentTighten jam nut after correct adjustment is obtainedThrottle Plate Synchronization