1988-1992 Mercury Force 5HP Outboards Service Manual, Page 101Get this manual
NINSTALLING COIL 1Position new coil at coil lamination of stator plate so that spark plug lead wire (A) extends from upper left2Place coil wedge spring in coil so that small lip (8) of spring is facing down and towards crankshaftInstall coil with wedge spring onto laminations approximately half wayRoute spark plug lead wire as routed with original coilPush coil remainder of the way onto laminations until coil wedge spring snaps into place at rear (C) of laminations Large lip (D) on coil wedge spring must be positioned over front coil surface4