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1989 20 HP Johnson power upgraded to 25 HP for zero dollars
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<blockquote data-quote="Stumpalump" data-source="post: 357556" data-attributes="member: 13140"><p>If I have this right you basically put a 25hp intake on a 20 hp motor and you are starving for fuel.?.</p><p>The 25 may have the same carb or carbs but your main jets are sized for 20 Me thinks....You may be starving for fuel because the main jets are too small causing a lean condition. Swapping jets and putting a fuel pump rebuild kit are simple. The book may even list a different part number for the jets. You let in a lot more air and no more fuel unless I missed that in this long thread. Did you squeeze the bulb when it acted up?</p></blockquote><p></p>
[QUOTE="Stumpalump, post: 357556, member: 13140"] If I have this right you basically put a 25hp intake on a 20 hp motor and you are starving for fuel.?. The 25 may have the same carb or carbs but your main jets are sized for 20 Me thinks....You may be starving for fuel because the main jets are too small causing a lean condition. Swapping jets and putting a fuel pump rebuild kit are simple. The book may even list a different part number for the jets. You let in a lot more air and no more fuel unless I missed that in this long thread. Did you squeeze the bulb when it acted up? [/QUOTE]
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1989 20 HP Johnson power upgraded to 25 HP for zero dollars
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