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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through October 01, 2008 » My clutch is slipping « Previous Next »

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Carmell
Posted on Wednesday, September 17, 2008 - 11:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Okay all, this is an interesting one. I had my 5th gear recall done today at the dealer. When I picked it up and headed for home, I was merging onto the freeway, hit the gas and it was like I was doing a burnout. I thought maybe it was a fluke so I stayed on the freeway, and several times in a row cruising in 4th, at 5000 rpm, I would whack the throttle and the rpm would raise very quickly with very little happening in terms of acceleration. I pulled off thinking I had an oil leak somewhere and it was coating the tire and I was burning out, but everything was dry. Rode back to the dealer and they re-bled the clutch and said there was an air bubble. Started back home, the slipping is still there, seems like a little less but still a very obvious amount of slipping. Any ideas out there that would cause this during the process of the recall repair ?
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Sheepaholic
Posted on Thursday, September 18, 2008 - 03:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Wonder if they have left a line off the vacuum ?
http://www.badweatherbikers.com/cgibin/discus/show .cgi?tpc=290431&post=1255299#POST1255299
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Pariah
Posted on Thursday, September 18, 2008 - 01:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sometimes the wrong lubricant (engine/tranny oil) can do this.

I'm no expert, but, like Sheepaholic's implying, maybe they reassembled things incorrectly. Worth going back and going through the install with the tech and a service manual. These are new bikes, and maybe the tech has missed something.

(Message edited by pariah on September 18, 2008)
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Doerman
Posted on Thursday, September 18, 2008 - 04:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could also be that the clutch line need to be bled?
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Badlionsfan
Posted on Thursday, September 18, 2008 - 05:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thats what I'm thinkin. he said they got a bubble out of it and it got better, my guess is there are more air bubbles.
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Carmell
Posted on Thursday, September 18, 2008 - 06:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the input guys. I was thinking that an air bubble would impede the clutch disengaging. I have not been able to pick up the service manual yet, can anyone give me the procedure for bleeding the clutch ?
Thanks guys.
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Pariah
Posted on Thursday, September 18, 2008 - 07:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The manual recommends using a handheld Snap-On brake bleeder (one of those hand pump thingies) attached to the clutch bleeder screw. And make sure that the cylinder is topped off with the right fluid... I don't have the manual in front of me, but that's what I remember.
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Superman217
Posted on Friday, September 19, 2008 - 01:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hope you get it fixed bro.
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Dtinnan
Posted on Saturday, September 20, 2008 - 10:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

mine did the same thing after the recall, bout a month later they had the new clutch installed and everything is good. at first they tried bleeding it, then said ride it n see if it goes away, then put in new friction plates, then ended up replacing the whole thing. they even suggested one time that the engine oil was overfilled and "maybe the clutch plates were wet" but when they dissassembled it all the plates were burned to a dark blue. new clutch= no slip. oh, they also found some vacuem lines that were loosly attached n fixed those, but it still slipped till they replaced it. one of the service techs told me "its a slipper clutch, its supposed to slip"!!

(Message edited by dtinnan on September 20, 2008)
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Carmell
Posted on Saturday, September 20, 2008 - 11:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dtinnan, thank you for your response. Man I really hope I dont have to go to that extreme. The dealer ordered the parts to correct the DOT 4 leaking from the clutch cover weep hole, so Im hoping when they do the work, that it will get resolved. Thats pretty funny about the tech and slipper clutch comment, I would have had a lot of fun with that one. The thing Im confused by, is why it would have happened doing the recall work, its almost as if something was not re-assebled correctly ?
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Diablo1
Posted on Saturday, September 20, 2008 - 11:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The thing Im confused by, is why it would have happened doing the recall work, its almost as if something was not re-assebled correctly ?

That's the most logical assumption. Clutch worked fine before they worked on the bike. Clutch slips now.

They "f...d" it up and they don't know how. It's likely something simple, but still their fault. Perhaps they overfilled the fluid reservoir or eliminated the freeplay?}
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Dtinnan
Posted on Saturday, September 20, 2008 - 10:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

yeah the slipper clutch comment would have made me laugh if it hadn't come after the tech telling me on the phone "i didnt notice anything strange" to top it all off, i just got through dissassembling the airbox assembly to see why i had a 2 inch gap on the right but not on the left, only to find out that when they reassembled it they missed the hole for the bolt to pass thru causing the seat and the airbox to not line up.
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Dtinnan
Posted on Saturday, September 20, 2008 - 10:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

when they first replaced the plates, i drove it around the block and everything seemed ok. then during a downshift it kinda popped and the clutch handle jumped in my hand. then i had nothing from the transmission, no matter what gear i put it in, just revved. they trailered it back n then replaced everything
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Carmell
Posted on Sunday, September 21, 2008 - 11:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can only imagine your frustration at that point. What amazes me is that some of these techs can keep a clear conscience when doing sub standard work, and expect the owner to accept it. Im going to be holding my breath when I take it in for the rest of the warranty work. The good thing is I have some faith in the service manager at my dealer, he seems to have my best interest in mind.
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Superman217
Posted on Sunday, September 21, 2008 - 02:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hope you get your bike fixed bro. That thing is sweet.
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Pyrateryderzmc
Posted on Monday, September 22, 2008 - 01:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Stick with the HD synthetic oil. Keep the level at the high level and not the low level after you run bike for 10 minutes and let it set for 10 minutes to check oil level. Change this oil if you ride aggressive and in higher heat at 3000 miles.

You will discover better response and less noise from engine.
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Crackedtaillight
Posted on Tuesday, September 23, 2008 - 01:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The clutch release bearing can be easily dislodged during disassembly. If the bearing gets pushed in, it will hit the transmission shaft and won't let the clutch fully engage. Major slippage. May feel a couple of pops in the clutch lever. Clutch release plate should be pulled again and bearing reseated in the plated.
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Jpfive
Posted on Tuesday, September 23, 2008 - 08:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This happened to my bike while the Buell team was here. They related the story to me. On one of the re-assemblies something in the clutch housing was reversed, resulting in the slipping. It was a 'Doh' moment for the tech, but he knew immediately what he had done. After he corrected it, no more problems.

Jack
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Carmell
Posted on Tuesday, September 23, 2008 - 09:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Great stuff guys, thank you. Im making a list of these possibilities to take to the dealer. I think when I took it back I was seeing the "It wasn't me" syndrome amongst the techs.
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