Home › Forum › Ask A Member › Having difficulty searching for info on my particular motor (9.5 Johnson) › Re: Having difficulty searching for info on my particular motor (9.5 Johnson)
December 1, 2017 at 9:51 pm
#68190
They were HP rated at the powerhead and newer 9.9s were rated at the propshaft, so they put out more – a significant, noticeable performance difference.
Dave