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+--- Thread: Clutch Slip on new clutch :( (/showthread.php?tid=68118)
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Re: Clutch Slip on new clutch :( - philshaq - 08-04-14
(08-04-14, 02:21 PM)His Dudeness link Wrote: If the cable is too tight it's the same as riding with the clucth lever slightly pulled in so it'll slip
Thats what I was thinking but couldn't articulate!
I'll try slackening it off a bit on the lever and see... If the clutch spring bolts were too tight would this have a similar affect?
(08-04-14, 02:41 PM)darrsi link Wrote: Sorry, my bad, i meant clutch cable! :rolleyes
Thought so but thought best to check.
I'll definately check the cable adjustment on the way home tonight. fingers crossed
Re: Clutch Slip on new clutch :( - Dead Eye - 08-04-14
Motul oil should be fine (5100 is semi-synth and 7100 is fully-synth if memory serves)
As for the cable, it is worth checking at the sprocket cover for the various points made above
Over-tightening the clutch baskets bolts shouldn't make any difference to this issue, but try not to do this as the you will snap the mounting points on the clutch basket and that's not fun. Been there, done that
Re: Clutch Slip on new clutch :( - papercutout - 08-04-14
I use 'car oil' in my bike - semi synth Castrol GTX 10w40, no problems.
I also run my clutch biting point really close to the bars, as I find it comfortable. Keep playing with that clutch cable.
Re: Clutch Slip on new clutch :( - noggythenog - 08-04-14
Ok guys i appreciate it prob aint the oil then..........but god it still throws up a question....hear me out......phil says his last clutch was slipping just after doing an oil change.....but to be fair his memory isn't exact on some details as it was understandably a while ago...but based on the info given..
It would be very unlikely that a mechanical part would fail at exactly the same time as the oil was changed.....ie it didn't feel off before you changed the oil...you just changed it..because... it was due....then it was slipping.
He then changes the clutch.....& the oil..same oil........& it is still slipping.
So what has changed....the clutch.....what hasn't changed.....the oil.
So if the oil is the constant.....doesn't it look suspicious????
Fair enough though just coz phil was wearing his lucky kermit the frog socks on both oil changes.....i wouldn't then say that aha......it's the kermit socks as they were the constant :lol ...it's only a bit of text, it aint harming anyone...id rather speak my thoughts even if it is bollocks... :rolleyes [size=78%]..if phil changes the oil though i aint paying for it....sorry phil[/size] :b
Re: Clutch Slip on new clutch :( - unfazed - 08-04-14
I had the same problem when I replaced the clutch with EBC ones some time ago, the EBC clutch plates were the wrong size, I contacted EBC and they sent me another set free of charge, same problem. I finally gave up and bought an expensive genuine set and they are now in with 40000 miles and no problem. EBC did come back to me and said there may have been a wrongly labelled batch, but at that stage I had bought the OEM ones and I took a set for the 400 instead. I have since installed those plates in the 400 and they are working perfectly
I would check the thickness of the EBC plates first before doing anything else and maybe the steel plates also.
Re: Clutch Slip on new clutch :( - ChristoT - 08-04-14
When you reinstalled the clutch, did you make sure everything was lined up correctly? I recently reinstalled the clutch on my engine, and Deefer (the God of 600s!) mentionned that not lining up one of the last plates properly with the markings on the engine would wause the clutch to slip. I can visualise it, but can't describe it, which probably isn't much help!
Re: Clutch Slip on new clutch :( - andybesy - 08-04-14
Just for the record your oil is known good, it's the same I've used many times and the same two local yamaha dealers have used.
I seem to remember when it comes to the plates its not just as simple as interleaving then, there was two special ones that needed to be in the right position?
Andy
Re: Clutch Slip on new clutch :( - ChristoT - 08-04-14
(08-04-14, 10:15 PM)andybesy link Wrote: Just for the record your oil is known good, it's the same I've used many times and the same two local yamaha dealers have used.
I seem to remember when it comes to the plates its not just as simple as interleaving then, there was two special ones that needed to be in the right position?
Andy
The half plate and spring washer do, yep.
Where are you, Phil? Maybe a mechanically inclined Foccer could drop round and take a peek in return for tea & bacon butties!
Re: Clutch Slip on new clutch :( - griff86 - 08-04-14
I had a similar issue years ago on my first Fazer.
Clutch started slipping, so installed a new set of plates and the slipping was still there, turned out that the front sprocket cover was so gunged up with chain lube on the inside it was stopping the arm from returning fully which was causing the slipping, might be worth a check.
Re: Clutch Slip on new clutch :( - philshaq - 09-04-14
Sorry for not replying yesterday guys.
You're really looking for that flaming aren't you?!
I left work after trying to adjust the clutch at the bar. To no avail, it slipped like a bugger all the way home. Got home and decided to have a look at the bottom point for adjusting the clutch, one snapped crappy screwdriver later I adjusted it and backed if off slightly.
Took it out for a spin and hey presto it's fine!
I'd forgot how bloody fast it is! Thanks for all the comments, seems the most obvious choice was the culprit.
Now back to the oil... I think it was the fact that I only had one kermit sock on that day...
I think it must have started slipping then or soon after as the clutch was nackered, coincidence rather than positive correlation.
Thanks again. I want to hear this oil debate continue! ;-)
Re: Clutch Slip on new clutch :( - Deefer666 - 09-04-14
This thread made me laugh, thanks :rollin :rollin :rollin
Re: Clutch Slip on new clutch :( - noggythenog - 09-04-14
Im also a doctor
I always prescribe a cup o tea for everything. :pokefun
Re: Clutch Slip on new clutch :( - philshaq - 09-04-14
(08-04-14, 10:15 PM)andybesy link Wrote: Just for the record your oil is known good, it's the same I've used many times and the same two local yamaha dealers have used.
I seem to remember when it comes to the plates its not just as simple as interleaving then, there was two special ones that needed to be in the right position?
Andy
When I pulled all the plates out I stood all the old ones on the floor with the last one at the top and them matched the old friction plates up with the new ones ensuring the depths were the same placing the new friction plate on throwing the old one off the stack and putting the steel plates on from the stack. I repeated that until I had put all the new friction plates on and all the steel plates from the old stack, so they all went on in the right way.
Its definitely sorted now, I rode into work on it today and I wasn't hanging around
and it didn't give the slightest hint that it was going to slip, even from low speeds in top gear with the throttle fully open. It just gripped and went.Big smiles and a lot of relief!
Re: Clutch Slip on new clutch :( - BluprintZ - 14-04-14
Interesting subject, i've been reading it from the beginning and i had an inkling half way through that it was probably the push-rod adjustment.
I've replaced the clutch on several bikes over the years, British, Jap and Italian and i always start off adjusting from the clutch mechanism-up, the clutch lever/cable adjustment being the final one.
Glad you got it sorted.
G ; )
Re: Clutch Slip on new clutch :( - theglove1978 - 14-04-14
(08-04-14, 02:21 PM)His Dudeness link Wrote: If the cable is too tight it's the same as riding with the clucth lever slightly pulled in so it'll slip
My contribution to this thread is relatively feeble but noticed my clutch slips occasionally with a bit of heavy wrist action. Mate of mine bit of a bike nut suggested this solution which i might try on the basis of relative simplicity!!
Re: Clutch Slip on new clutch :( - unfazed - 14-04-14
Your solution is a viable one because our local Bike Guru has come across it more than once.
the funniest he had was a fellow come into to his garage complaining about the new cable he fitted had Focced up his clutch.
He was adamant that you should not have to adjust the cable because it was a new one he had fitted. :rollin
When I called to his garage for lunch with him he was still laughing, because he actually had a job convincing him. :rolleyes