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EarlyBay Forums
Technical
Stuck Inlet Valve on Cylinder Head - Assistance requested
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<blockquote data-quote="rlepecha" data-source="post: 568406" data-attributes="member: 19679"><p>To get the head of you will need to remove the fanshroud (don't forget to disconnect the thermostat first!) And then remove the tin that is over the head. </p><p></p><p>There are four more nuts under the tin, once you have them removed it should just pull off. </p><p></p><p>I can't imagine the engine running on three cylinders for a while would cause damage like that, it would seem more likely that something may have fallen down the carb throat and ended up lodged behind the valve or the guides were worn to the point that the valve could become stuck.</p><p>The only other possibility I can think of is the valve seat has broken away from the head and is now holding the valve open.</p><p></p><p></p><p>Its quite amazing how well these engines run on only 3 cylinders, its very difficult to tell by the sound or that's what I have found anyway!</p><p></p><p>Good luck with it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p> </p><p></p><p>Sent from my C55 using Tapatalk</p></blockquote><p></p>
[QUOTE="rlepecha, post: 568406, member: 19679"] To get the head of you will need to remove the fanshroud (don't forget to disconnect the thermostat first!) And then remove the tin that is over the head. There are four more nuts under the tin, once you have them removed it should just pull off. I can't imagine the engine running on three cylinders for a while would cause damage like that, it would seem more likely that something may have fallen down the carb throat and ended up lodged behind the valve or the guides were worn to the point that the valve could become stuck. The only other possibility I can think of is the valve seat has broken away from the head and is now holding the valve open. Its quite amazing how well these engines run on only 3 cylinders, its very difficult to tell by the sound or that's what I have found anyway! Good luck with it :) Sent from my C55 using Tapatalk [/QUOTE]
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Stuck Inlet Valve on Cylinder Head - Assistance requested
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