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AT3/CT3 clutch

15 Aug 2019 10:06
jet100
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AT3/CT3 clutch #11
Just a follow up. I bought new springs and discs from Yambits in the UK. After installing them I immediately noticed the increase in clutch pull effort. I also used Motul 10-30 mineral transmission oil. Really hooks up now and can use full power but difficult to find neutral at times. Not fully releasing. Re-checked all adjustments. Will put some more miles on it and see what happens. Maybe the discs need some bedding in?

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15 Aug 2019 11:09
Mothersbaugh
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AT3/CT3 clutch #12
Enduros, for some reason, are harder to find neutral than the average bike. Try finding it as you are coming to a stop rather than after coming to a complete stop. Also, once you are at a full stop, sometimes rocking the bike fore and aft a bit helps me find it. There's something about that extra motion that makes it a little easier. Unless it's completely my imagination...
Where's your idle speed? Sometimes it's harder to find neutral if the idles speed is higher than spec.
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16 Aug 2019 08:15
jet100
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AT3/CT3 clutch #13
Before I replaced the springs and discs, neutral was easy to find rolling or at a stop. Maybe I should have just done the springs. I had replaced the discs already after I bought the bike as it had been sitting and the clutch wasn't releasing properly. Easy to put them back if this doesn't clear up.

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30 Aug 2019 10:54
blazeone
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AT3/CT3 clutch #14
My clutch slipped bad on my CT2 prior to my restoration. Installed a complete OEM plate set "friction and metal". Left out the rubbers. Works great zero slippage. I also replaced the worm drive gear and cable for giggles.

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02 Sep 2019 07:08
jet100
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AT3/CT3 clutch #15
After putting on some miles, finding neutral has improved. Season here in Calgary will wind up soon so need to ride more this month.

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02 Sep 2019 08:18
MarkT
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AT3/CT3 clutch #16
If the neutral issue gets better when warm, you might try Torco MTF-L trans oil when you change the oil. Best I've found for minimal clutch drag... I've had a couple bike it cured the problem on.

And what Mothersbaugh said about idle speed is important... a little bit lower idle speed can make a big difference in the ease of finding neutral.

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05 Sep 2019 11:08
jet100
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AT3/CT3 clutch #17
Thanks. I'll try lowering the idle speed. My tach works but is not accurate at any rpm.

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06 Sep 2019 18:20 06 Sep 2019 18:22 by RT325.
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AT3/CT3 clutch #18
A problem with lack of free play/end float on the clutch center from the nut having been tightened up a few times in its life. I mean so the center minus all plates is free to spin with the nut tight. If that's ok then have you fitted those damn spreading rubber rings that need binning as can make a clutch drag issue even worse. That the 5 rubber rings. What i 'thin' it'd do is remove clutch cover & hook it into top gear as easiest to spin the wheel--with bike on a stand. Pull clutch in & eyeball the clutch while someones turning the wheel for you. You could see the problem or at least start looking. Is the pressure plate wobbly or pretty true--& check that center for free with all plates removed, free by hand in neutral that is. With clutch dragging you might see if it's trying to turn the crank. You'll get a slight try on a good clutch with oil still hanging around but if bad it'll be trying to turn it through compression--sort of. Plus is it lifting enough, although a good clutch should be in & out & free in a short movement.
Could try loading the clutch in gear & brake on--just sensibly a few times & not till smoke appears, & might settle it in--but think i'd do that last if everything else checks out.

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