{"id":22445,"date":"2023-01-16T16:11:15","date_gmt":"2023-01-16T07:11:15","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=22445"},"modified":"2026-09-24T13:46:20","modified_gmt":"2026-09-24T04:46:20","slug":"gsx1200s-oil-cooled-katana-yoshimura-st-1-cam-fcc-clutch-edr-21-10","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20230116\/everyday-events\/gsx1200s-oil-cooled-katana-yoshimura-st-1-cam-fcc-clutch-edr-21-10","title":{"rendered":"GSX1200S Oil-Cooled Katana Yoshimura ST-1 Cam FCC Clutch EDR-21 Dash Cam and Others"},"content":{"rendered":"
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Is it sophisticated? The lineup of “Advantage FCC Clutch”<\/strong> is really helpful.

Rather than struggling to source genuine parts, “comparable pricing, sometimes even cheaper,”<\/strong> and
moreover “reliable performance”<\/strong> makes it truly appreciated. <\/p>\n\n\n\n\n\n\n\n

\"\"<\/figure>\n\n\n\n

Remove the clutch cover and “hello there~”<\/strong>(*\u00b4\u0437`)

It’s the standard diaphragm spring type.
This one has “good or bad serviceability?”<\/strong> and “it’s a love-hate kind of thing?”<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The 1200 series has a simpler structure, so it’s very easy.
The 1100K~ “requires various tools”<\/strong> so it won’t appeal to the general public. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

What I often call the “bird’s foot” is this part.
“The right part extends to the shift side”<\/strong>“The left is the shift drum.”<\/strong>

It’s an important part that moves the transmission.
“Shift stroke is limited,”<\/strong> so “everything should operate smoothly with minimal play.”<\/strong><\/p>\n\n\n\n

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It used to be fixed with three bolts, but now it’s two… Classic Suzuki.
With the clutch spring engaged, if you make a tool like in the image, you won’t need to drill and grind. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Everything is nicely burned… Perfect!
*Not in a good way ( \uff1b\u2200\uff1b)<\/p>\n\n\n\n

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The friction plates were in good condition. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

I’ll check the plate thickness before replacement.

Actually, clutch plates “don’t wear much”<\/strong>
If you’re good with the clutch, or rather, “people who use half-clutch a lot in city riding”<\/strong>are rare.
In reality, more than wear, “hardening of the friction material on the friction plates”<\/strong> and “burning of the steel plates”<\/strong> become the issue. <\/p>\n\n\n\n

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A rare “FCC Clutch D-TYPE (plate spring to coil spring conversion) kit.”<\/strong>
I suspect they were using the original hub and this became discontinued, ending production. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


It’s nice that it’s surface-treated in gray. <\/p>\n\n\n\n

Let’s check the plate thickness and dimensions before assembling. <\/p>\n\n\n\n

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The hub dents look fine too. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

And with assembly, the clutch replacement is complete.

Assemble, tighten, and check operation as you go. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

A dirty inspection window “cuts the refresh factor in half”<\/strong>

so let’s replace it. <\/p>\n\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

Break the habit of reaching for a box right away.
If you have a lathe, “make it once”<\/strong> and “you can use it for almost a lifetime.”<\/strong><\/p>\n\n\n\n

“Even after a million operations, the same feel?”<\/strong> I think that’s important.
Save the tricks and intuition for heavier work. <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Cleaning the oil seal press-in area is important. <\/p>\n\n\n\n

If you clean this area well, “it goes in super smoothly.”<\/strong> Unless something’s really wrong, you should be able to insert it by hand.
<\/p>\n\n\n\n

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Pop it in and seal the surrounding area with liquid gasket to prevent leaks.
<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Is it sophisticated? The lineup of “Advantage FCC Clutch” is really helpful. Rather than struggling to source genuine parts, “comparable pricing, sometimes even cheaper,” and moreover “reliable performance” makes it truly appreciated.<\/p>\n","protected":false},"author":2,"featured_media":22423,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[1924],"tags":[643,368,396,438,284,506,257,392,262,120,165,529],"class_list":["post-22445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-everyday-events","tag-2023-01","tag-drive-recorder","tag-edr-21a","tag-fcc-clutch","tag-gsx1200s-812","tag-inazuma-2","tag-inazuma-1200","tag-inazuma-oil-cooled-katana","tag-oil-cooling","tag-oil-cooled-katana","tag-yoshimura","tag-yoshimura-cam-shaft"],"_links":{"self":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/22445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/comments?post=22445"}],"version-history":[{"count":0,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/22445\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media\/22423"}],"wp:attachment":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media?parent=22445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/categories?post=22445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/tags?post=22445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}