http://www.boattest.com/engines/152/overview.aspx
It's all about power and at 21.4 cubic inches, the Honda BF15 is the power king, with the largest displacement of any fifteen-horsepower outboard in the industry-and it's also the lightest engine in its class.
Bought one brand new in july 08 Works nice good power for 15 ft work boat
vwed81 3 years ago