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Another 20/25hp to 30/35hp Evinrude Johnson Conversion
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<blockquote data-quote="RaisedByWolves" data-source="post: 487348" data-attributes="member: 22989"><p>Searching by part number is very difficult, the reason for the pics I showed. With the pics you can scour e bay or the like and be sure of what you’re buying.</p><p></p><p>Some people will tell you the intake port is the only thing that matters, but it’s actually secondary to the larger intake volume and larger exposed reed area. One with the larger internal volume(reed area) will have the correct intake port.</p><p></p><p>I tried buying different carbs, many will work and the original 35 hp carbs are always way expensive. Mine is the upper? Carb off a 70hp but I disremember what year.</p><p></p><p>There is a thread on boatracingfacts.com I’ll post if I can find it that has more info.</p><p></p><p>Also, don’t waste your time polishing the inside of the intake like the one shown, it won’t do any good as it’s not a runner type intake.</p><p></p><p>Polishing a 2stroke is pointless as you want the turbulence to keep the air fuel mix atomized.</p></blockquote><p></p>
[QUOTE="RaisedByWolves, post: 487348, member: 22989"] Searching by part number is very difficult, the reason for the pics I showed. With the pics you can scour e bay or the like and be sure of what you’re buying. Some people will tell you the intake port is the only thing that matters, but it’s actually secondary to the larger intake volume and larger exposed reed area. One with the larger internal volume(reed area) will have the correct intake port. I tried buying different carbs, many will work and the original 35 hp carbs are always way expensive. Mine is the upper? Carb off a 70hp but I disremember what year. There is a thread on boatracingfacts.com I’ll post if I can find it that has more info. Also, don’t waste your time polishing the inside of the intake like the one shown, it won’t do any good as it’s not a runner type intake. Polishing a 2stroke is pointless as you want the turbulence to keep the air fuel mix atomized. [/QUOTE]
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Another 20/25hp to 30/35hp Evinrude Johnson Conversion
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