MerCruiser 23-30617A2 77481 MR Alpha One 1 Lower Unit I/O Shift Shaft Bushing Starters & Alternators The Fork is cracked by

The Fork is cracked by where the water connects

This was off an 1989 Force 50hp (Serial Number 507A9B) This was from a unit with Power Trim

This is a 2 piece unit for easy cleaning

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

MerCruiser 23-30617A2 77481 MR Alpha One 1 Lower Unit I/O Shift Shaft Bushing Starters & Alternators The Fork is cracked byItem 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