1992 Johnson Evinrude "EN" 60 thru 70 Service Manual, P/N 508144, Page 45Get this manual
3Back out the idle speed screw
and wide open stop screw
f51 f61 4
Turn 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 in(6 mm) away from both ends of slot
rJl 5If adjustment is necessary, loosen jam nut and rotate thumb wheel to obtain correct adjustmentTighten jam nut after correct adjustment is obtained Throttle Plate Synchronization f81 1Loosen the cam follower screw and push the cam follower away from throttle camThe follower MUST NOT touch the throttle cam during this procedure2Loosen upper and lower carburetor linkage screws 3Verify that all throttle plates are closedGQl 4Apply light upward pressure to the tabs of the adjusting links and tighten first the lower then the upper carburetor linkage screws