MerCruiser 23-30617A2 77481 MR Alpha One 1 Lower Unit I/O Shift Shaft Bushing Starters & Alternators This is the Long shaft

This is the Long shaft model

1971 1972 1973 1974 1975 1976 1977 Sterndrive I/O Alpha One Inboard 215hp 225hp 255hp 351CID 175hp 190hp OMC Stringer

Found on Mercury Mark 50E models using 23713A1 or 22623A1 Starter

This is the stud that attaches to a 4bbl quadrajet carburetor and you mount the Flame arrestor to this

The Part Number of Rectifier is F369450

MerCruiser 23-30617A2 77481 MR Alpha One 1 Lower Unit I/O Shift Shaft Bushing Starters & Alternators This is the Long shaftItem Details You will receive a set just like the one pictured here. MerCruiser Sterndrive Alpha One Lower Unit Shift Components Generally Used in MerCruiser Gen I R MR lower units 1970 1990 Specifically Serial Numbers 3780850 & Up Notable Parts Included Shift Shaft 77481 1 Shift Shaft Bushing Assembly 23 30617A2 (May need new seal) Shift Crank 76865 66062 8M2009865 Application They used the same lower gearcase with all of the engines 1970 1990 (they