OK, well here is a link to a breakdown with the part numbers:
https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1970&hp=25&model=25R70E&manufacturer=Johnson§ion=Carburetor+Group
Doesn’t look like the carb body or assembly is available though…
Here are a few on ebay:
https://www.ebay.com/itm/153991813603?hash=item23daa099e3:g:k6kAAOSwOyNe~hAw
https://www.ebay.com/itm/133752796628?hash=item1f2449b5d4:g:r-UAAOSwqt9gk-yo
Please be sure you can return these items in case they are not as described, or perhaps damaged, before buying….Perhaps you can negotiate the price a bit as well, that is up to you…
LOOK WHAT I JUST FOUND
https://www.ebay.com/itm/143215827629?hash=item2158541aad:g:kU4AAOSwjHdZYTv~
Never mind the first two listings, this is just what you need at a reasonable price!
Don
