Stumped with clutch problem - SV1000 Portal
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post #1 of 14 (permalink) Old 11th April 2019, 02:15 AM Thread Starter
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Stumped with clutch problem

Had my stator cover off as you may remember to deal with magnets. Ever since, the clutch is wicked tight. It disengages with just a touch of the lever. Iíve only put about 10 miles on the bike since the flywheel repair. I removed the slave cylinder with the lever zip tied all the way to the handle bar grip. I reinstalled, and now itís like the damned slave cylinder is always applying a bit of pressure to the clutch. It slips now. Clutch is not worn out, this is an issue with the hydraulic system. It has no air in it. It doesnít slip when there is air in it. Ideas?
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post #2 of 14 (permalink) Old 11th April 2019, 02:57 AM
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I suspect there is still some air in your system. Sometimes it takes a LOT of bleeding to get it completely out.


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post #3 of 14 (permalink) Old 11th April 2019, 03:24 AM Thread Starter
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Air would make it not disengage. This is a different problem. Air would make the lever do nothing. This is a lever that is doing too much. It’s already engaging the clutch rod.


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Originally Posted by oldbaldsob View Post
I suspect there is still some air in your system. Sometimes it takes a LOT of bleeding to get it completely out.
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post #4 of 14 (permalink) Old 11th April 2019, 07:00 AM
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Oh, okay. I see what you are saying now. Found a couple of threads that may be of some help. Good luck!


https://www.sv-portal.com/forums/5-t...post1852261977


https://www.sv-portal.com/forums/5-t...post1852162049
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post #5 of 14 (permalink) Old 11th April 2019, 11:38 AM
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Sounds like you have the slave cylinder cocked. Which can make the push rod be off center and binding. Pressure plate cannot push it all the way back. Since clutch action is hydraulic and self adjusting, it takes up the slack of where the pushrod is and where it should be. Instant release because it is already preloaded.

This is just another example where tying off the lever to the grip has likely caused an issue larger than leaving it untied would ever cause. I recommend not tying off the lever when removing slave cylinder and when pulling the clutch basket. Yes, I know the manual says to do it. But it should also say to release it as you install the parts so they are not hydraulically locked into place.........
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post #6 of 14 (permalink) Old 11th April 2019, 02:02 PM
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Yeah, I've always pulled the slave and then either elevated it or put a zip tie around it (one time I didn't and it pushed itself out some)
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post #7 of 14 (permalink) Old 11th April 2019, 02:41 PM
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I've pulled that slave a hundred times over 6 yrs, and I've never tied the lever.

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post #8 of 14 (permalink) Old 11th April 2019, 02:41 PM Thread Starter
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Thanks for the info!!

Quote:
Originally Posted by oldbaldsob View Post
Oh, okay. I see what you are saying now. Found a couple of threads that may be of some help. Good luck!


https://www.sv-portal.com/forums/5-t...post1852261977


https://www.sv-portal.com/forums/5-t...post1852162049
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post #9 of 14 (permalink) Old 11th April 2019, 02:42 PM Thread Starter
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Thanks! I will go out and pull it, and try again!
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post #10 of 14 (permalink) Old 11th April 2019, 02:43 PM Thread Starter
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Originally Posted by renegade384 View Post
I've pulled that slave a hundred times over 6 yrs, and I've never tied the lever.
I wonít ever do it again, thanks!
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post #11 of 14 (permalink) Old 11th April 2019, 04:00 PM
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Tying the lever works OK IF you only compress the lever a little bit. You just need to block the master cylinder feed hole which then locks the slave in position. Pulling the lever all the way and tying it there would be a problem I'd think. With just a wee bit of lever compression the piston is held close to its' normal at rest position which then allows you to install the slave easily....though you should release the lever tie before final tightening of the slave bolts just so it'll compress as needed and not resist letting the slave go into position properly.
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post #12 of 14 (permalink) Old 11th April 2019, 04:39 PM Thread Starter
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I didn’t have the plunger pin at the master cylinder fully seated in the brass bushing in the lever assembly. 😖
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post #13 of 14 (permalink) Old 12th April 2019, 12:19 AM
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Quote:
Originally Posted by renegade384 View Post
I've pulled that slave a hundred times over 6 yrs, and I've never tied the lever.

Same.... Never had a prob with it....

Something i did a couple of times, and it removes every little bit of air, is to empty the reservoir, then, push the slave piston all the way in, then, drain the reervoir again, bolt the slave back on, refill the reservoir, pump the lever gently, keeping the reservoir topped-up, and once that is all done there is ZERO air and 98% of the system
has brand new fluid....
(yes, there a lot of commas in that)

Maybe try that, and it will reset the system....

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post #14 of 14 (permalink) Old Yesterday, 09:24 PM Thread Starter
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I had an install error on the lever. Read reply above yours. Thanks for the info though, truly appreciated! Good group on here, very helpful!

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Originally Posted by Missing Link View Post
Same.... Never had a prob with it....

Something i did a couple of times, and it removes every little bit of air, is to empty the reservoir, then, push the slave piston all the way in, then, drain the reervoir again, bolt the slave back on, refill the reservoir, pump the lever gently, keeping the reservoir topped-up, and once that is all done there is ZERO air and 98% of the system
has brand new fluid....
(yes, there a lot of commas in that)

Maybe try that, and it will reset the system....
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