this will be my first time ever changing the lower unit oil so ive got a few questions before winter hits. the motor is a 65hp johnson hydro-drive. Ive been told a takes a type c oil and i believe this to be correct. Ive also been told i need to buy a small oil pumper to pump it it. looks like they are about 15 bucks so no big deal. My questions involve the actual process. I know i should be looking for 2 plugs on the side of the motor but i can only find one lower one slightly above the prop line. I cant for the life of me find the other. There is a u shape cover on the motor just behind the upper part of the transom and i assume it behind there but those screws are in pretty bad shape. Id like to confirm thats its behind there before i do some damage getting the cover off.