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Sound dampening under motor cowling
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<blockquote data-quote="onthewater102" data-source="post: 462577" data-attributes="member: 13702"><p>I too applied the material to the entire interior of the cowl. </p><p></p><p>The engine noise you hear that you can control most is actually intake noise amplified with the carburetor throat acting like a megaphone. I snagged a plastic baffle off the newer mercury 25hp carbs that really helped simply deflecting some of that noise to the sides, not sure if something similar is an option for you with that motor.</p><p></p><p>I couldn't find a picture of the piece added to my carb, but here's an image of a newer 25hp carb with a noise deflector (black plastic snorkel looking part)</p><p><img src="https://i.imgur.com/cmQozFx.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="onthewater102, post: 462577, member: 13702"] I too applied the material to the entire interior of the cowl. The engine noise you hear that you can control most is actually intake noise amplified with the carburetor throat acting like a megaphone. I snagged a plastic baffle off the newer mercury 25hp carbs that really helped simply deflecting some of that noise to the sides, not sure if something similar is an option for you with that motor. I couldn't find a picture of the piece added to my carb, but here's an image of a newer 25hp carb with a noise deflector (black plastic snorkel looking part) [img]https://i.imgur.com/cmQozFx.jpg[/img] [/QUOTE]
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Sound dampening under motor cowling
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