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ADDING HORSEPOWER???
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<blockquote data-quote="FuzzyGrub" data-source="post: 206158" data-attributes="member: 3438"><p>As stated above, a number of Johnson/Evinrudes just have a different carb on the next larger model. You would have to do more research, and then find a good 30hp carb.</p><p></p><p>The easiest one I have ever seen was the 9.9HP to 15HP Nissan/Tohatsu 2 stroke. The 15hp just had a different plastic timing cam, which had more timing advance. Other models had block off plates in intake or exhaust throats on the "degraded" engine. On the newer outboards, I don't hear so much on the "easy" hp.</p></blockquote><p></p>
[QUOTE="FuzzyGrub, post: 206158, member: 3438"] As stated above, a number of Johnson/Evinrudes just have a different carb on the next larger model. You would have to do more research, and then find a good 30hp carb. The easiest one I have ever seen was the 9.9HP to 15HP Nissan/Tohatsu 2 stroke. The 15hp just had a different plastic timing cam, which had more timing advance. Other models had block off plates in intake or exhaust throats on the "degraded" engine. On the newer outboards, I don't hear so much on the "easy" hp. [/QUOTE]
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