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'86 Mercury XD 20hp to 25hp conversion
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<blockquote data-quote="onthewater102" data-source="post: 391823" data-attributes="member: 13702"><p>Anyone here done this one? As best I can tell from comparing parts on the schematics the lowers are all the same and the only differences are in the carburetor. The carb mounting plate and reed block are the same part # for both serial# groups.</p><p></p><p>I see the guys with the Johnson's from this era knocking their 20's up to 35's, which I know the Merc won't do, but to go from 20 to 25 wouldn't be bad if it could be done. It just seems that the merc/mariner XD's weren't as popular for some reason, I'm guessing the range of their power-class probably had something to do with it.</p></blockquote><p></p>
[QUOTE="onthewater102, post: 391823, member: 13702"] Anyone here done this one? As best I can tell from comparing parts on the schematics the lowers are all the same and the only differences are in the carburetor. The carb mounting plate and reed block are the same part # for both serial# groups. I see the guys with the Johnson's from this era knocking their 20's up to 35's, which I know the Merc won't do, but to go from 20 to 25 wouldn't be bad if it could be done. It just seems that the merc/mariner XD's weren't as popular for some reason, I'm guessing the range of their power-class probably had something to do with it. [/QUOTE]
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'86 Mercury XD 20hp to 25hp conversion
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