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Classic Goldwing Technical Forums
General Classic Goldwing Technical Forum
A Valve adjustment oddity
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<blockquote data-quote="dan filipi" data-source="post: 18438" data-attributes="member: 54"><p>If your following the <a href="https://classicgoldwings.com/forum/viewtopic.php?p=8248#p8248" target="_blank">Knocking Thread</a> you'll know that I installed a 1200 cam in the left side.</p><p></p><p>Well with this cam I get what I consider an excessive amount of lifter clatter right around 3500 rpm.</p><p></p><p>I went and did another check and adjustment of the lash and found they were spot on at TDC per the book.</p><p></p><p>Keep in mind that we are finding out these cams get pretty beat up but also that these 1200 cams are in VERY good condition and appear to have low miles.</p><p></p><p>What I did was hold the feeler gauge against the tappet and valve stem as I rotated the engine slowly.</p><p>I found on one valve I could slip the feeler in easier before TDC but got tight to the proper adjustment <u>at</u> TDC.</p><p></p><p>Curious I went back around and made the adjustment at the point it got looser and the clatter is reduced quite a bit.</p><p></p><p>So what is going on here?</p><p>Considering this cam is in good condition and within spec, am I looking at a problem not with the cam but maybe with the rocker?</p></blockquote><p></p>
[QUOTE="dan filipi, post: 18438, member: 54"] If your following the [url=https://classicgoldwings.com/forum/viewtopic.php?p=8248#p8248]Knocking Thread[/url] you'll know that I installed a 1200 cam in the left side. Well with this cam I get what I consider an excessive amount of lifter clatter right around 3500 rpm. I went and did another check and adjustment of the lash and found they were spot on at TDC per the book. Keep in mind that we are finding out these cams get pretty beat up but also that these 1200 cams are in VERY good condition and appear to have low miles. What I did was hold the feeler gauge against the tappet and valve stem as I rotated the engine slowly. I found on one valve I could slip the feeler in easier before TDC but got tight to the proper adjustment [u]at[/u] TDC. Curious I went back around and made the adjustment at the point it got looser and the clatter is reduced quite a bit. So what is going on here? Considering this cam is in good condition and within spec, am I looking at a problem not with the cam but maybe with the rocker? [/QUOTE]
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General Classic Goldwing Technical Forum
A Valve adjustment oddity
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