I have a 2000 15hp 4 stroke Yamaha on my 14' Northwood. Runs and trolls like a champ. Starts on the second pull every time. A little cold blooded on really cold days but once it warms up its all good. Maintenance is super simple too. If you went to the boat show you would have noticed the huge presence of Yamaha. They are every where now and for good reason. I get a lot of questions at the boat launch about the motor, it really draws attention.