Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 335Get this manual
Place new locking tab washer (Ub" cupped side facing down on sheave shaft) Thread nut ("c" left hand thread) finger tight on shaftTie slip knot in starter rope approximately one foot (30cm) from end of rope NOTE: Check operation of rewind starter before bend ing tabs against nutCheck rewind operation as follows: aSlowly pull starter rope outward Pawl must move to engaged position as the lever begins to turn bExtend starter rope to full length and allow it to slowly rewind (must rewind smoothly without catching) cIf starter rope catches and fails to rewind smoothly, the sheave shaft and washers are not correctly aligned Bend tabs (a) of tab washer against flats of retaining nut and one tab (b) into hole in rewind housingas shown