MerCruiser 50-807904A1 50-807907 Starter Motor 1996-1998 4.3LX 5.0L 5.7L Mando Cooling System & Hoses and it does seem like

and it does seem like a very low pitch propeller)

Air Silencer Upper Half: 277437

Basically this was the earliest style from that year range

OMC Stringer Sterndrive upper units from the OLD 1960's to the early 1970's and maybe 1972-1977

Used in basically all OMC Cobra applications in 1986 to 1993 Chevy GM 140hp 3

MerCruiser 50-807904A1 50-807907 Starter Motor 1996-1998 4.3LX 5.0L 5.7L Mando Cooling System & Hoses and it does seem likePart Number(s) Included MerCruiser Mando 50 807907 "50 807904A1" Starter Motor Assembly Offset Bolt Pattern for 14" Flywheels on 4. 3L 262 & 5. 0L 305 & 5. 7L 350 bottom mount gear reduction starter Stamped Part Number is MANDO 50 807907 General Application Compatibility This would have been found on various MerCruiser & OMC sterndrive applications 1996 1998ish specifically, but could be used to replace some of the starters below as well OMC 984456 >