how much oil does my lower unit hold? my engine is a 1971 100 hp evinrude with the electric shift. also is there any type of oil at napa i can use in my lower unit? it seems i either gotta buy it on ebay or on here. Thanks ahead of time.
my engine has i have a 1971 100 evinrude model number 100193. i want to know what prop i got. and i also wanna know how to gear it up? do i just change the prop or what?