Home › Forum › Ask A Member › The evinrude 9.9/10hp carb change to make it a 15hp urban legend. › Re: The evinrude 9.9/10hp carb change to make it a 15hp urban legend.
February 8, 2016 at 3:52 am
#31607
The link below will help to explain the differences in the two motors. Depending on the year, just changing the carb might not get the full fifteen horses out of the motor but it will make a noticeable difference.
http://www.leeroysramblings.com/Johnson%209.9_15.htm
Here’s an ’84 9.9 which I woke up by just changing the carb. It rocks now on a light boat!