MerCruiser 43-55778A3 120hp 140hp Upper Pre/R/MR/Alpha One 1.98 Gearset Gearcase Transom Plate Please Inspect Pictures to get

Please Inspect Pictures to get the best idea of condition

but you can replace it with a new one from ford

This was off an 1992 or 1993 Force by Mercury 40hp (Serial Number 0E014450)

This is much thicker than the standard flywheel

The shape of these were unique

MerCruiser 43-55778A3 120hp 140hp Upper Pre/R/MR/Alpha One 1.98 Gearset Gearcase Transom Plate Please Inspect Pictures to getItem Details All 120hp 2. 5L & 140hp 3. 0L 4cyl applications for Pre Alpha R MR ALPHA ONE Gen 1, so 1970 1990 as a general rule. (You may need to replace the bearing on top of the shaft depending on whether you have a 1970 1982 vs 1982 & Up application as they each used different bearing sizes) (Actually these were also used on Gen II drives 1991 1997) The gear set here is MerCruiser 43 55766 43 55778 > 43 55778A3 (Also Equivalent to 43 55766A2 43