A Mercury model 110, 9.8 hp outboard, serial number 1471875, would be a 1963 year model.
A 110 hp Mercury outboard, serial number 2018401 is a 1966 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
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.