OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 32Get this manual
IGNITION SERVICE reservoir supply lubricant as the block wearsWipe off any excess lubricantLeave only the grease stored on the rubbing blockReplace the distributor in the engine, with the rotor pointing toward the mark you scribed on the housingTighten the holddown boltThe ignition timing will be adjusted the engine is running, as described in the following paragraphs