FOUR HORSE MERC

[new boater guy]

HEY, I'VE JUST BOUGHT A 4 HORSE OUTBOARD. MERC. DON'T KNOW WHAT YEAR OR ANYTHING ABOUT IT. I THINK IT'S A LATE 70'S OR EARLY 80'S MODELTHE SERIAL NUMBER ONLY HAS 7 NUMBERS ON IT.????? I DUNNO. HELP HELP. I CAN'T ORDER A MANUAL FOR IT. IT CAN'T SEE ANY OTHER I.D. MARKINGS.
THANX

[JUST-IN-TIME]

post the numbers