1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 60Get this manual
t:J the piston contact is felt againMark this exact spot on the flywheel and consider this mark "B Remove the piston stop tool
f3l5 Continue to turn the flywheel in clockwise direction until
t:J midpoint between the two linesMark the midpoint on the rim
f3l6Use scale along the flywheel edge and measure the of the flywheelConsider this mark "C If the mark "c" and the cast-in TDC line are in agreement, the timing pointer alignment is correctIf not, proceed to step 7
t:J Hold the flywheel in this positionLoosen the pointer screw
and move the pointer to align with cast-in TDC mark on the flywheelTighten the pointer screwThrottle Valve Synchronization INotel With the engine idling in NEUTRAL, if loosening the carburetor lever adjustment screws results in better idle, improper synchronization of the throttle valves is indicatedAt idle, the throttle valves in all carburetors must be completely closedIf the carburetor linkage is misadjusted so one carburetor throttle plate is slightly open, it will result in poor quality idle1Remove the air silencer cover to observe the throttle valve actionf512Loosen the throttle cam follower screwPush the throttle cam follower away from the throttle camThe throttle cam follower must not touch the throttle cam during this proceduref613Loosen upper and lower carburetor lever adjusting screws which allows the return springs on the throttle shafts to fully close the throttle valvesf.7l4Partially open the throttle shafts and allow them to snap closed to be certain the throttle valves are closedPress upward on tabs of the adjusting links to remove backlashTighten the adjusting screwsAdjust the lower carburetor linkage first, then the upper linkageMove the cam follower and check that the throttle shafts start to rotate at the same time