Re: yamalube oil needed?
Personally I would only use any oil from the outboard manufacturer as long as the outboard is under warranty. After that I would (and have used) any TCW-3 rated oil. Preferably biodegradable oil, to be kind to the environment, since that have been out for some years now and have proven to be good - I used it for 3 years in my old 2-stroke (until I bought a 4-stroke instead).<br /><br />/Bo