MERCRUISER : 8.1L INBOARD (Base) Model Serial Ranges 0M026000 THRU 0M319124 0M319125 THRU 0W089999 0W090000 THRU 0W389999 0W390000 THRU 0W689999 0W690000 THRU 0W698172 0W691821 THRU 1A380318
