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Merc 110 9.8hp-->15HP Conversion?
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<blockquote data-quote="Boat2fast" data-source="post: 351727" data-attributes="member: 13358"><p>Your engine is the souped-up version of the 7.5. There are no factory swap-ups to help with this one.</p><p>The Johnson/Evinrude 9.9 engines share the same powerhead with the 15s. Not so with Mercury. The Mercury 15 is a larger engine than the 9.9(same 'chassis'). The Merc 9.9 shares the same displacement with the 6 and 8hp engines. I have not researched the other differences.</p></blockquote><p></p>
[QUOTE="Boat2fast, post: 351727, member: 13358"] Your engine is the souped-up version of the 7.5. There are no factory swap-ups to help with this one. The Johnson/Evinrude 9.9 engines share the same powerhead with the 15s. Not so with Mercury. The Mercury 15 is a larger engine than the 9.9(same 'chassis'). The Merc 9.9 shares the same displacement with the 6 and 8hp engines. I have not researched the other differences. [/QUOTE]
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Merc 110 9.8hp-->15HP Conversion?
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