Mercury 2 stroke 100hp outboard lower end interchange

[Steve’sboat]

Hi is there anyone that can tell me if a Mercury 1991 115hp 2 stroke bottom end will fit on my Mercury 100hp 1996 2 stroke

 

[fitz73222]

Depends on serial number, both should have the 3 jaw reverse clutch. It was later changed to the 6 jaw reverse clutch the required an upper shift shaft change.

 

[Steve’sboat]

Depends on serial number, both should have the 3 jaw reverse clutch. It was later changed to the 6 jaw reverse clutch the required an upper shift shaft change.

 

[Steve’sboat]

Ok thanks ill get some more info