1979 OMC Stern Drive Models Where can I find my model number? 120 990242S 990242S1 990243S 990243S1 140 990244S 990244S1 990245S 990245S1 185 990252S 990252S1 990253S 990253S1 200 990260S 990260S1 990266S 990266S1 990267S 990267S1 230 990254S 990254S1 990254V 990255S 990255S1 990255V 990261S 990261S1 250 990251S 260 990256S 990256S1 990257S 990257S1 990262S 990262S1
