I'm putting back together a lower unit for a '64 Evinrude 18hp and was wondering if and what sealant I should use when reassembling. I bought the lower unit seal kit for it, but it doesn't come with any gaskets and I really didn't see any mention of it in the repair manual. Should I use some silicone between the lower housing and the upper housing? What about on the screws/bolts? I was thinking maybe I should put a dab on them? The reason for the install is because the last owner didn't do it right and when I got the motor the lower unit was full of water and not lube! Don't want to have it fail on me because I didn't put the right sealant on it. Thanks for any help you might be able to provide.
