1977 Evinrude 4HP Outboards Service Manual, PN 5303, Page 43Get this manual
NOTE Carefully align the connector halves during assembly to provide proper terminal contactdReconnect the three wire connector and secure with retainerNOTE To insure proper ignition timing check the No1 (TOP) ignition coil orange lead to be sure it is in the "B" terminal of the connector, and that it connects to the orangeblue stripe wire from the power pack 1Engine 2Lockwasher 3Electrical connector
Figure 4-38Lockwasher Positioning
Spring terminal Cover (twist and pull) Hook High tension lead Spark plug
IGNITION COIL REPLACEMENT
REMOVAL aSeparate the three wire connector between the power pack and ignition coilsbTwist and pull on the cover to remove the high tension lead from the spark plugSee Figure 4-39cRelease the ignition coil wires from the support clamps and remove the coil mounting screwsSee Figure 4-40dRemove the ignition coil terminal from the three wire connectorINSTALLATION aInsert the ignition coil terminal into the three wire connectorbMount the ignition coil to the engine with the lockwasher between the engine block and ground wire connectorSee Figure 4-38cSecure the high tension lead to the spark plug4-18