MERCRUISER : 8.1L INBOARD (H.O.) Model Serial Ranges 0M026000 THRU 0M319190 0M319191 THRU 0W089999 0W090000 THRU 0W389999 0W390000 THRU 0W689999 0W690000 THRU 0W698172 0W691821 THRU 1A380318
