1090RR lurching when clutch is pulled in, dragging clutch? - MVAgusta.net
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post #1 of 29 (permalink) Old 06-15-2016, 07:13 AM Thread Starter
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1090RR lurching when clutch is pulled in, dragging clutch?

I have bled the clutch line at the slave just to change the fluid, and just changed the oil to new 10w60, but this thing has almost like a clutch drag and when I'm putting around the gas station parking lot in 1st, with the clutch pulled in, and blipping the throttle, I can feel it in the rear wheel. I've read up a little and the gear and clutch in this bike appear to be pretty tight and you get a little drag in the clutch when disengaged, is this true? If so, is it enough that I should be feeling it in the rear wheel? When I test rode a new 1090RR, I don't remember it feeling or being like this... it's quite off putting.

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post #2 of 29 (permalink) Old 06-15-2016, 07:28 AM
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I have the same issue on my F4 2011, seems worse after just starting the bike then goes away when warmed up.
Not got to the bottom of it yet.....still looking....slowly.
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post #3 of 29 (permalink) Old 06-15-2016, 09:27 AM Thread Starter
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I have the same issue on my F4 2011, seems worse after just starting the bike then goes away when warmed up.
Not got to the bottom of it yet.....still looking....slowly.
Has it always done it?

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post #4 of 29 (permalink) Old 06-15-2016, 10:41 AM
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I feel it in my 2010 1090RR when cold.

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post #5 of 29 (permalink) Old 06-15-2016, 10:47 AM
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Sounds like the usual problem, check lever stroke and pivot point. Thick oil in cold temps could cause this, but I blame a slightly too short slave cylinder stroke.

I wonder if it's possible to add a spacer behind the slave piston?

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post #6 of 29 (permalink) Old 06-15-2016, 11:18 AM
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Quote:
Originally Posted by Draginknee View Post
I have bled the clutch line at the slave just to change the fluid, and just changed the oil to new 10w60, but this thing has almost like a clutch drag and when I'm putting around the gas station parking lot in 1st, with the clutch pulled in, and blipping the throttle, I can feel it in the rear wheel. I've read up a little and the gear and clutch in this bike appear to be pretty tight and you get a little drag in the clutch when disengaged, is this true? If so, is it enough that I should be feeling it in the rear wheel? When I test rode a new 1090RR, I don't remember it feeling or being like this... it's quite off putting.
never remember that feeling when I had the bike. I think you broke it
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post #7 of 29 (permalink) Old 06-15-2016, 11:46 AM Thread Starter
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never remember that feeling when I had the bike. I think you broke it
I haven't had the chance to... lol.. I haven't ridden it besides around the block once since I brought it home. Just rode it to the tax collector's office this morning to get it registered.

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post #8 of 29 (permalink) Old 06-15-2016, 11:52 AM Thread Starter
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Originally Posted by Donsy View Post
Sounds like the usual problem, check lever stroke and pivot point. Thick oil in cold temps could cause this, but I blame a slightly too short slave cylinder stroke.

I wonder if it's possible to add a spacer behind the slave piston?
Motul 7100 10w60 brand new, lever is all the way out. Spacer huh? I wonder how much could be added to the rod length? That would be pretty easy to make rather than making a tiny spacer to sit in the slave.

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post #9 of 29 (permalink) Old 06-15-2016, 04:26 PM
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Is it the same oil as was in it previously?
You may just have a couple of clutch plates sticking and creating the drag. If it still does it after some heat cycles, it should then be investigated further.

I have never had an issue like the symptoms that you have got.
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post #10 of 29 (permalink) Old 06-15-2016, 06:03 PM
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Like Donsy said check the function of the M/C

Bleed the system

A slave spacer won't help ......it's how much fluid the M/C is displacing.....

The spring keeps the pushrod against the pressure plate

If the hydraulics are good......it's in the clutch

We've recently seen;

Loose clutch springs tilting the pressure plate

Broken clutch hubs

And a basket with no fingers

A loose hub nut can also cause clutch drag



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