OMC Stringer Upper Gearcase 979925 / 0979925 Gear Set 16:20 120hp 2.5L Early 70s Pulley - Water Pump Mercury 900 90hp 6cyl

Mercury 900 90hp 6cyl

But NOT MerCarb carburetors with 3" openings

1986 1987 1988 1989 1990 1991 1992

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OMC Stringer Upper Gearcase 979925 / 0979925 Gear Set 16:20 120hp 2.5L Early 70s Pulley - Water Pump Mercury 900 90hp 6cylItem Details OMC Stringer Sterndrive upper units from the OLD 1960's to the early 1970's and maybe 1972 1977 I. E. GM 4cyl 2. 5L 120hp & 3. 0L 140hp Upper Unit Gearcase Gear Set Pair part number is ????? My best guess for part number on these would be either 979925 0979925 16T & 20T Teeth The pressed on bearing on these gears MUST be replaced as you can see in picture 3 that one of these gears has a bent bearing cage. This listing is intended to be