Your Mercury 110 engine falls within the engine number range 3795658 to 4691221. So your number is 4305943 and is roughly half way, so I would guess it is 1975 as the range is 1974 to 1976.
A 110 hp Mercury outboard, serial number 2018401 is a 1966 year model.
A Mercury model 110, 9.8 hp outboard, serial number 1471875, would be a 1963 year model.
A 9.8hp Mercury outboard, serial number 2143520 would be a 1967 year model.
1970.
The 110 model, 9.8 hp Mercury outboard, serial number 1864795 would be a 1965 year model.
63
Mercury 110 s seem to have only been made in 1966 and 1967
A 9.8 hp Mercury, serial number 7209676, would be a 1984 year model.
How old is my Mercury 110 9.8 hp serial no 4814215
I have one of these and they were only made between 1965 & 66. Is it a Merc 1100/6 cylinder?
The maker points in a 1967 model, 110 Mercury outboard, are gapped to .020 in.
.040