Thanks for reading my post. Just getting into the boating world. So far nothing to complain about the boat or engine other then she burns rich with oil and it won’t idle. When I go to put it in gear it shuts off. Then when I start it again it’s rich smoke. Bad fuel/oil mix? Poss carb? Jets? Like I said I just getting into the boat world all or any help would be greatly appreciated. It does have the electric primer fuel sensor but it works. I also just replaced the fuel line with the primer ball on it.
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1977 140 v4 Johnson idle problems! HELP
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Need to run a compression test and make sure all cylinders are even, no more then 15% different. Need to get oil/gas ratio corrected first but probably will need carbs cleaned, check intake manifold and port cover gaskets looking for air leaks. Check ignition and make sure it firing on all 4 cylinders at idle.
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Check inline fuse on engine, check battery cables and cable connections are clean and tight.
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