That rig is in beautiful shape cosmetically. The motor you picked up is a 1965 model. As long as those push-button controls are in good shape, so are you! Take care of it. It is funny to see the cable and pulley steering on a motor that large. Probably around 1971 the BIA or MOT ruled that you could no longer buy a new cable and pulley setup for anything over 40 total horsepower (single 40 or a pair of 20s). Looking back at the part #s for the connectors, most of the stuff was shared with the 40s anyway, so without telling anyone, the parts were still available, just not cataloged for that application.
$300, score!!
OMC did make a power tilt kit for that motor. If you feel like searching for the Holy Grail, it was part # 382713.