Johny25 did a very nice article awhile back that was tailored to the general boater to understand
https://www.tinboats.net/forum/viewtopic.php?f=4&t=23898
Today, I received the carb, reeds and manifold I bought on E-Bay for $75.00 delivered.
I am boosting my 1979 Johnson 25hp to a 35. The 35hp hardware came off a 1978 Johnson
so everything will be compatible.
After a good cleaning and new overhaul kit, all should be good to go for about $100 total for the upgrade.
do your homework - check all compatibility of parts prior to buying anything.
everything you need is on e-bay
There is nothing more grand than
to be just simply messing around
in an old boat . . . . POGO, 1960