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    Progress, but it always blooms a new issue...

    1997 Evinrude 25HP 3 cyl. For those that have given me some helpful advice, I REALLY appreciate it. I broke down, watched a good 2 hours of YouTube and grew some shark balls and cleaned my carbs. Not too bad as some of you pointed out. 2 were fairly clean but cyl #2 had quite a bit of crap...
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    97 Evinrude 25hp... again :-/

    Something else I came across from Sunday I forgot about. On top on the fluctuating idle and occasional small backfire I also have quite a bit of oil residue in my flush tank after it running for about 20 min. This is a fresh tank of gas with a confirmed measure of 50:1. No oil induction...
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    1997 Evinrude 25hp fluctuating idle and small backfire from upper exhaust

    Well, got my "new to me" boat out today after tinkering with it over the last 2 weeks. Changed the gear oil, impeller, thermostat, fuel filter and ran a can of SeaFoam through the gas tank. Today it started fine when I put in but after about 20 minutes, the idle began to fluctuate (RPMs...
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    1997 Evinrude 25hp flushing tub with Seafoam...

    After running about 2 gallons fresh fuel through this motor today (motor has not been in the water for over a year) I was curious about something... My water pump does not have enough "gusto" to allow a good flow of water using muffs. I used a 35 gallon barrel today and it worked just fine...
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    Trouble finding Thermostat 1996 Evinrude 25hp

    Good afternoon. New to the forums and There is a lot of great information here! I have located my engine's thermostat and it appears to not be operating properly (testing it boiling water). I cannot seem to find a replacement part (for either the kit or the thermostat) when searching. I see...
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