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ducatipaso.org :: View topic - No resistance at clutch lever
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No resistance at clutch lever
http://ducatipaso.org/forum/viewtopic.php?f=1&t=3335
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Author:  cw_v2 [ Tue May 19, 2009 8:22 pm ]
Post subject:  No resistance at clutch lever

I'm wondering if some of you folks could shed some light on a few things that I have not yet tried or figured out searching/reading the posts here for hours...

My bike has been sitting since last Fall. It wouldn't start up, but that was fixed relatively quick. However I discovered there was no resistance at my clutch lever. Plenty of fluid, but the lever action sounds a "quish" which I don't ever remember hearing before. Cover plate off and cleaned. No detected leaking down at that end. Pumping the handle does not affect the slave piston.
Next I lossened the bleeder valve and bled the line, refill of fluid, no bubbles....still nothing.
I removed the banjo bolt and bleeder screw and blew air in to "push" the piston out, 1mm.
Tried pulling at in with my fingernails, 1mm.

How far out should this piston come out without industrial strength pulling at it?

Still no resistance at lever at any point.
My next step is to prime the clutch mc and bleed as per recommendations in the posts I read.


Any other tips would be appreciated :thumbup:

Author:  jcslocum [ Tue May 19, 2009 11:31 pm ]
Post subject:  Re: No resistance at clutch lever

You probably have air at the master cylinder. Regular pump bleeding isn't enought to move the bubble down to the cover. Reverse bleeding will work if you have a syringe you can PUSH the fluid UP to the master which will push the bubble out into the reservior.

Author:  Brutus [ Wed May 20, 2009 8:59 pm ]
Post subject:  Re: No resistance at clutch lever

Before you start demolishing your bike, it sometimes helps when you drop the bike at its left or right side.. It'll take two persons to do it safely. Other option could be to pull the lever in and use a tierip to keep it activated. Leave it there for a night or two..
cheers!

Author:  jetboy [ Wed May 20, 2009 11:16 pm ]
Post subject:  Re: No resistance at clutch lever

i know that the recommended amount of pumps for an alfa romeo after changing out the clutch master is 300. sometimes it just takes persistance - sometimes just shaking the bike/line and pumbing the piston many many times will do it.

Author:  ducinthebay [ Thu May 21, 2009 12:27 am ]
Post subject:  Re: No resistance at clutch lever

I'm a big fan of my brake vacuum pump. It can be reversed to pump fluid up into the system. Cover all paint in the area before you start. An air bubble in the Master cylinder can be very difficult to get to move. Adding a bleeder in the banjo bolts on the master cylinder usually helps.

Cheers,

Author:  cw_v2 [ Thu May 21, 2009 1:53 am ]
Post subject:  Re: No resistance at clutch lever

Bike was sold today. Thanks very much for all of the help and tips. I had to sell because I can't ride anymore due to a med condition, so I'm going to go cry in my beer now and stare at the blank spot in the garage. :beer:

Author:  Tamburinifan [ Thu May 21, 2009 10:10 am ]
Post subject:  Re: No resistance at clutch lever

Sorry, must be a real sad day! :,( :beer:

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