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Thunderman

Evenrude outboard?

7 posts in this topic

Hey guys 1988 evenrude v6 outboard when the motar is idleing looks like I am loseing raw fuel out the exhaust ports.Checked the new plugs I have on one side no carbon on the top plug the one down from that has some carbon and the bottom is where the carbon looks good.This is on both sides this is oil injected any help would be greatly appreciated.

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Sounds like the carb is leaking it past and letting it run into the exhaust. How does it run? If you were able to run it hard to clean it out that might help but you might want to see if there is a check valve or have the carb checked out.

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It runs good wide open at lower speeds it seems like its drowning with gas? crazy

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could be the float is not shutting down the flow. could be varnished or have some trash in it.

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Being a v-6 motar it looks like it has 3 carbs on it I could be wrong I don't know much about this style motar.Do you think that the air filter could cause this if it were real dirty confused.

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I have a Johnson 115 (1995) and had similar problem. It has plastic carb floats and I must of had water in one over winter. It has a plug which blows out on bottom of the float so it does not break the casing of the carb. Engine ran well but had constant fuel on water behind the boat. This fuel did not come out exhaust ports though.

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Take the air box off the front of the engine so you can see in the carb throats. Then squeeze the primer bulb, if you see fuel running out the throat of one of the carbs, you have a stuck float/ needle and seat. Try tapping on the bowl of that carb with the handle of a screw driver. Lightly.... IF that doesn't free it up, take it to someone who can clean the carb.

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