thats the kind of corrosion we see around here, by te time it sufaces, its too late. AS far as warranty goes, I doubt it would be covered, Suzuki declared this area too corosive to be included, so no corrosion regardless of how old it is. I've got a 140 over at a friends shop that corroded thru one of the water jackets into the oilpan, pumped oil/saltwater thru the whole motor, its nothing more than a pile of scrap now. Suzuki makes a great motor, they just corroded bad, Yamaha makes a good motor, they just don't corrode as abd as Suzukis. From what I've seen, older Mercurys hold up the best from corrosion, I can't say on the newer ones as I don't work on many Verado series, knowing they are making more power heads in China now, I'd say they are going to crap as well. followed by pre 99 Johnrudes. Bomb changed the aluminum mix some time around there and they got worse. regardless of which motor you buy, salt is going to get it sooner or later.
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