Re: 2003 MERCURY 9.9 HP to 15HP
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Posted by Ray (188.8.131.52) on November 03, 2005 at 16:56:52:
In Reply to: 2003 MERCURY 9.9 HP to 15HP posted by Mario on October 23, 2005 at 12:50:06:
I don't have 1st hand knowledge, but I will say that Merc. made older motors with same hp.'s and the differance in hp. was because of the BORE& STROKE. The 9.9hp. being 2-3/16" X 1-3/4" compared to the 15hp. being 2-1/4" X 1-15/16".
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