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Another consideration is whether you do your own maintenance or need to run to a shop for every hiccup. ---
I wouldn't know, but the people who might know on this forum would need to know what year Yamaha you want to compare it with.
I don't think a 40 will ever stack up to a 50. Don't care who built it.
The Yammy is a WAYYYY better motor...your lucky the gearcase hasn't took a chit yet on that 48S