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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Weber considerations
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<blockquote data-quote="ekvh" data-source="post: 141484" data-attributes="member: 1179"><p>Well now you have to chisel my brain, I thought the power valve only affects the primary main jet. Maybe the title should read, The Blind Leading the Blind. Lol. There' a concrete dumb one for you. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" />k: Here's another good site on it: <a href="https://datsun1200.com/modules/mediawiki/index.php?title=Weber_DGV_Tuning" target="_blank">https://datsun1200.com/modules/mediawiki ... DGV_Tuning</a> </p><p></p><p>This one is for a 1200 engine, and it makes it look like my jets are about what is recommended for it to start at on a gl1200. Ours will rev higher. I am thinking to try it stock, then if it's rich, eliminate one hole at a time in the power valve jet. If it's rich after three, then just remove it altogether. The Datsun site refers to plastic spacers to alter the position of where the actuation valve opens. </p><p></p><p>The accelerator pump on mine only feeds the primary side. The secondary is closed. Makes sense as the accelerator pump works when the secondary is not open. It is probably an option if you wanted to go to a non-progressive. </p><p></p><p>Page 53 in the Weber manual Dan loaded is where it shows the the power valve connected the main jet tubes.[ATTACH=full]10764[/ATTACH] I think the right hand drawing is trying to show that the secondary main is unaffected by the power valve. Again, it makes sense, as you wouldn't want extra fuel flowing to a jet with a throttle plate which isn't open.</p></blockquote><p></p>
[QUOTE="ekvh, post: 141484, member: 1179"] Well now you have to chisel my brain, I thought the power valve only affects the primary main jet. Maybe the title should read, The Blind Leading the Blind. Lol. There' a concrete dumb one for you. :ok: Here's another good site on it: [url=https://datsun1200.com/modules/mediawiki/index.php?title=Weber_DGV_Tuning]https://datsun1200.com/modules/mediawiki ... DGV_Tuning[/url] This one is for a 1200 engine, and it makes it look like my jets are about what is recommended for it to start at on a gl1200. Ours will rev higher. I am thinking to try it stock, then if it's rich, eliminate one hole at a time in the power valve jet. If it's rich after three, then just remove it altogether. The Datsun site refers to plastic spacers to alter the position of where the actuation valve opens. The accelerator pump on mine only feeds the primary side. The secondary is closed. Makes sense as the accelerator pump works when the secondary is not open. It is probably an option if you wanted to go to a non-progressive. Page 53 in the Weber manual Dan loaded is where it shows the the power valve connected the main jet tubes.[ATTACH type="full" alt="image.jpg"]10764._xfImport[/ATTACH] I think the right hand drawing is trying to show that the secondary main is unaffected by the power valve. Again, it makes sense, as you wouldn't want extra fuel flowing to a jet with a throttle plate which isn't open. [/QUOTE]
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Engine & Fuel System Modifications
Weber considerations
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