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10-23172 Main Adjustment Carburetor Screw
built into the rocker cover (1990 & up)
OMC Stringer V6 & V8 1980-1983 models Hydro-Mechanical OR Fully Mechanical Shift Models because 982416 is provisioned for it
The pictures should give you a good idea of condition & dimensions
91199 / > 2 Holes on top > No cut-out on coupler end flare
MerCruiser Alpha One Lower Unit Gearcase 3.0L 4.1L 5.0L 5.7L Pre-Alpha 1970-1982 Intermediate Housing 10-23172 Main Adjustment Carburetor ScrewItem Details Compatible with all upper alpha one Units (MC 1 R MR Gen 1) from 1970 1991 (the case style is 1970 1982) Regardless of engine (120hp 2. 5L 140hp 3. 0L 165hp 170hp 305 350 470 2. 5L 3. 0L 4. 3L V6 5. 0L 305 5. 7L 350 V8 etc) Shift shaft in great shape All shafts are pretty clean and not rusted up. No leaks or bad seals found after pressure testing. Gear oil will be drained before shipping. No Cracks or Welds Purchase with confidence!