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1955 Evinrude 7.5 hp aquasonic fleetwin problems
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<blockquote data-quote="Pappy" data-source="post: 349174" data-attributes="member: 3278"><p>Well....you need Spark for one. </p><p>If that engine has never had the coils updated they will be a cracked mess under the flywheel. May seem bad to you but actually this is good! Good because it means the engine has not been run for years so nobody has run it on 50:1 mix !</p><p>Check the spark. Should at least jump a 1/4" gap. This check has to be made............no escaping it. </p><p>Needs compression. Since it "sort of" ran lets assume it has this for now. </p><p>As far as the carburetor goes. Unless the float is stuck it will probably be capable of starting and running the engine. Unscrew the high speed needle (the one on the bottom) and pump fuel through the carb bowl. Yes there is a bowl drain but this will flow more fuel and clean out a passage while flowing. </p><p>Re-install and gently seat the needle. Back out 1 full turn. </p><p>Gently close the low speed needle and back out aound 1-1 1/2 turns to start with. Both needles will have to go in some if the engine starts. Usually both end up somewhere around the 3/4 turn area give or take. This will provide you a starting point. </p><p>Let us know how you make out.</p></blockquote><p></p>
[QUOTE="Pappy, post: 349174, member: 3278"] Well....you need Spark for one. If that engine has never had the coils updated they will be a cracked mess under the flywheel. May seem bad to you but actually this is good! Good because it means the engine has not been run for years so nobody has run it on 50:1 mix ! Check the spark. Should at least jump a 1/4" gap. This check has to be made............no escaping it. Needs compression. Since it "sort of" ran lets assume it has this for now. As far as the carburetor goes. Unless the float is stuck it will probably be capable of starting and running the engine. Unscrew the high speed needle (the one on the bottom) and pump fuel through the carb bowl. Yes there is a bowl drain but this will flow more fuel and clean out a passage while flowing. Re-install and gently seat the needle. Back out 1 full turn. Gently close the low speed needle and back out aound 1-1 1/2 turns to start with. Both needles will have to go in some if the engine starts. Usually both end up somewhere around the 3/4 turn area give or take. This will provide you a starting point. Let us know how you make out. [/QUOTE]
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1955 Evinrude 7.5 hp aquasonic fleetwin problems
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