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mercury 2 stroke outboard oil mixture question
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<blockquote data-quote="Pappy" data-source="post: 406534" data-attributes="member: 3278"><p>The overboard indicator is not the best for judging temperature of an engine. </p><p>Any engine that is thermostatically controlled should run at that designed temperature at idle. You may have debris blocking the vernatherm from fully seating. Just a guess. </p><p>You will drive yourself crazy looking at two stroke plugs and trying to determine whether the engine is running rich or lean by them. You are running at several different RPMs and running on totally different circuits in the carburetor. Some circuits will run richer than others. </p><p>Your best indicator you have already answered yourself. The idle quality seems good to you and the overall running quality follows suit. If the engine was running overly rich it would be running rough. Lean it would be surging a bit....just before it stuck.</p></blockquote><p></p>
[QUOTE="Pappy, post: 406534, member: 3278"] The overboard indicator is not the best for judging temperature of an engine. Any engine that is thermostatically controlled should run at that designed temperature at idle. You may have debris blocking the vernatherm from fully seating. Just a guess. You will drive yourself crazy looking at two stroke plugs and trying to determine whether the engine is running rich or lean by them. You are running at several different RPMs and running on totally different circuits in the carburetor. Some circuits will run richer than others. Your best indicator you have already answered yourself. The idle quality seems good to you and the overall running quality follows suit. If the engine was running overly rich it would be running rough. Lean it would be surging a bit....just before it stuck. [/QUOTE]
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mercury 2 stroke outboard oil mixture question
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