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FJR Motorcycle Forums
Technical & Mechanical Problems
Valve Theory 101
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<blockquote data-quote="SLK50" data-source="post: 1307323" data-attributes="member: 4790"><p>And, to add to Fred's post, the intakes are also cooled</p><p></p><p>somewhat by the incoming air/fuel mixture whereas the</p><p></p><p>mixture is still quite hot as it begins to exit through the</p><p></p><p>exhaust port.</p><p></p><p>So yeah, an exhaust valve that doesn't seat properly,</p><p></p><p>therefore not able to transfer heat to the head, "burns".</p></blockquote><p></p>
[QUOTE="SLK50, post: 1307323, member: 4790"] And, to add to Fred's post, the intakes are also cooled somewhat by the incoming air/fuel mixture whereas the mixture is still quite hot as it begins to exit through the exhaust port. So yeah, an exhaust valve that doesn't seat properly, therefore not able to transfer heat to the head, "burns". [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Valve Theory 101
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