OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 47Get this manual
ENGINE SERVICE
ROTATOR LOCKS CAP SH ELD
d the with the plug you likely the insulatorR the and exhaust manifold assembly; see Section 3-4R the rocker nuts, rockerand push rodsT and place all the in rack can be reinstalled in the position from which was removedDisconnect the fuel and vacuum lines from the retaining clip, and then disconnect the wires from the sending unitsDisconnect the ground at the cylinder headR the ignition coilLoosen and remove the cylinder head bolts, off the head, and DISCARD the gasket