1988-1992 Mercury Force 5HP Outboards Service Manual, Page 104Get this manual
QADJUSTING BREAKER POINTS 1Remove engine coverSEE FUEL TANK AND COMPONENTS SECTION FOR MORE INFORMATION2Remove flywheelSEE REMOVING FLYWHEEL IN THIS SECTION FOR MORE INFORMATION
Install flywheel screw (A) on crankshaftRotate magneto stator to W.O.Tposition (8)Turn crankshaft clockwise until index mark on cam lines up with follower arm on breaker point (C)Adjust breaker point opening to 0.020 inches (0.508 mm) Insert screwdriver blade in notch (D) and turn in appropriate direction78