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1980's Johnson/Evinrude 20/25hp conversion to 30hp with pics
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<blockquote data-quote="alfaguy" data-source="post: 370154" data-attributes="member: 6911"><p>Took my 25/30 to the river and it ran really well except for a severe misfire at 2200 rpm. It is fine at 2000 and 2500 but totally breaks up at 2200. It has a new power pack, coils and plugs (but not wires). </p><p></p><p>Any suggestions on how to cure it.</p><p></p><p>Also I could not get above 4500 rpm with a 10-13 prop. I may need more tuning.</p></blockquote><p></p>
[QUOTE="alfaguy, post: 370154, member: 6911"] Took my 25/30 to the river and it ran really well except for a severe misfire at 2200 rpm. It is fine at 2000 and 2500 but totally breaks up at 2200. It has a new power pack, coils and plugs (but not wires). Any suggestions on how to cure it. Also I could not get above 4500 rpm with a 10-13 prop. I may need more tuning. [/QUOTE]
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1980's Johnson/Evinrude 20/25hp conversion to 30hp with pics
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