What makes a 9.9 and a 15 hp differant? Can I make my 9.9 into a 15hp?
TigerSharkCrazy Seaman Joined Jun 13, 2006 Messages 72 Nov 25, 2007 #1 What makes a 9.9 and a 15 hp differant? Can I make my 9.9 into a 15hp?
R rodbolt Supreme Mariner Joined Sep 1, 2003 Messages 20,066 Nov 25, 2007 #2 Re: 9.9 vs 15 hp Yamaha depends on the model number of the 9.9
