1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 45Get this manual
'5l3Back out the idle speed screw and wide open stop screw until flush with anchor blockr;'] r] 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 14 in(6 mm) away from both ends of slotf715If adjustment is necessary, loosen jam nut and rotate thumb wheel to obtain correct adjustmentTighten jam nut after correct adjustment is obtainedThrottle Plate Synchronization