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(Noobie here) What causes an outboard to backfire?
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<blockquote data-quote="ben2go" data-source="post: 56221" data-attributes="member: 751"><p>This is what I try first.I remove the carb(s) from the engine.Then I take the float bowl off,usually this is one screw in the bottom of the carb bowl.The float and needle have a small roll pin holding them in,it pushes out with a finger.Next I turn the carb upside down in a coffee can filled with enough clear kerosene to cover the carb.Cover the top of the can.Let set over night.The next morning I sit the carb right side up in the kerosene and cover the can up.That afternoon I shoot WD-40 through the little orifices and dry it really well.Then I reassemble in the revere order it came apart.If you try this,don't used kerosene with red dye.It will leave a red residue in the carb.don't put a tight lid on the can.If it goes through a quick heat cool cycle it can blow the lid off or suck it in.This may allow contaminents to get in the kerosene and carb.This is worth a try.If you disassemble a carb you may damage a seal that may require a rebuild kit to replace it.The bowls have a cheap common O ring and the bolt has a copper or aluminum washer.Some have a paper type washer.No big deal most auto parts or hardware stores have these.</p></blockquote><p></p>
[QUOTE="ben2go, post: 56221, member: 751"] This is what I try first.I remove the carb(s) from the engine.Then I take the float bowl off,usually this is one screw in the bottom of the carb bowl.The float and needle have a small roll pin holding them in,it pushes out with a finger.Next I turn the carb upside down in a coffee can filled with enough clear kerosene to cover the carb.Cover the top of the can.Let set over night.The next morning I sit the carb right side up in the kerosene and cover the can up.That afternoon I shoot WD-40 through the little orifices and dry it really well.Then I reassemble in the revere order it came apart.If you try this,don't used kerosene with red dye.It will leave a red residue in the carb.don't put a tight lid on the can.If it goes through a quick heat cool cycle it can blow the lid off or suck it in.This may allow contaminents to get in the kerosene and carb.This is worth a try.If you disassemble a carb you may damage a seal that may require a rebuild kit to replace it.The bowls have a cheap common O ring and the bolt has a copper or aluminum washer.Some have a paper type washer.No big deal most auto parts or hardware stores have these. [/QUOTE]
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(Noobie here) What causes an outboard to backfire?
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