Author Topic: Clutch  (Read 369 times)

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Offline Bryan

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Clutch
« on: June 28, 2018, 11:13:20 am »
Hello. I am new to the Concours world so I need a little help. I have a 2002. I have to pull my clutch lever all the way to the grip for it to disengage. Is there an adjustment? If I don't let it warm up in the mornings it will not disengage at all. Put it in gear and it lunges forward and dies. I've tried googling and also looked on this site but I can't find anything. Thanks for any help!!!

Offline Pbfoot

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Re: Clutch
« Reply #1 on: June 28, 2018, 12:24:19 pm »
No adjustment. The slave cylinder is probably full of sludge. Pull and clean, replace clutch fluid. Bleed.
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Offline Bob_C_CT

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Re: Clutch
« Reply #2 on: June 28, 2018, 12:54:31 pm »
Clutch fluid level and fluid condition? How many miles on the bike?
The other think to look at is at the clutch lever and where it interacts with the master cylinder to make sure something isn't worn or misadjusted there that allows more lever movement before it actually engages master cylinder. I think there was talk awhile back about the brass bushing where the lever is bolted down and is the pivot point of the lever and how that bushing wears out.
Even if you find the problem at the lever, the slave cylinder is almost always neglected and needs to be cleaned and the system bled regularly.
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Offline Bryan

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Re: Clutch
« Reply #3 on: June 28, 2018, 12:59:09 pm »
Thank you! I will try both and see if that fixes the issue and report back.

Offline Bryan

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Re: Clutch
« Reply #4 on: June 28, 2018, 01:26:14 pm »
Also 42,000 miles.

Offline Bryan

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Re: Clutch
« Reply #5 on: June 28, 2018, 01:49:03 pm »
Of all the videos out there I can't find one on how to flush the clutch fluid. Any suggestions?

Offline Victor Salisbury

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Re: Clutch
« Reply #6 on: June 28, 2018, 01:59:54 pm »
Check your Clutch fluid level at the M/C on the handlebar. Take the top off the reservoir and see if the fluid is low/gunky/crud causing a blockage in either of the two holes in the bottom.  A buddy of mine had the same symptom, fluid was all gunked up, flushed and refill good to go.

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Offline Bob_C_CT

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Re: Clutch
« Reply #7 on: June 28, 2018, 04:30:00 pm »
Same as a brake flush. There is a bleeder valve on the clutch slave cylinder which is located on the left side just forward and above the shifter peg.

I do old school, Find tubing that fits on bleeder valve and put other end of tube into a medium sized glass jar.
Put about a half inch of new brake fluid in the jar.
Put end of hose in jar in the fluid.
Cover all painted parts on bike near master with old towels/rags.
Use $1 store turkey baster, remove old fluid from reservoir, put a little new fluid in, stir it up a bit and remove with baster.
Fill master with new fluid.
Slowly pump lever, hold, open bleeder, fluid comes out, close bleeder, let go of lever, repeat as necessary.
Make sure you don't run low on fluid in master.
Top master with new fluid, all done.
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Online MAN OF BLUES

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Re: Clutch
« Reply #8 on: June 28, 2018, 08:05:04 pm »
besides the bleeding method noted above, which should be done, as brake fluid life isn't forever, there is an adjuster wheel with numbers on it on that hand lever, that may be turned so the lever doesn't have a full enough stroke, experiment with that also, but the flush and bleed is always a good thing... same with periodic flush and bleed of both brakes... if you never did them, do them. :great:

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Offline Chow

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Re: Clutch
« Reply #9 on: June 28, 2018, 08:37:56 pm »
Do make sure the painted parts are covered, brake fluid and paint do not play nice. The slave is near the shifter so remove the fairings to get to it. If the gasket on the piston is bad don't bother with it. Jst remove and replace.

Offline connie_rider

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Re: Clutch
« Reply #10 on: June 28, 2018, 09:43:47 pm »
All good info.
The one I think is best, "is" Pbfoot's; The slave cylinder is probably full of sludge. Pull and clean, replace clutch fluid. Bleed.

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Offline WillyP

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Re: Clutch
« Reply #11 on: June 30, 2018, 03:48:18 pm »
Also, maybe the bushing in the lever is worn. And the sticky clutch plates when cold is due to the oil being thicker when cold, not unusual at all for wet clutches. What kind and what weight oil do you use?
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Offline Bryan

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Re: Clutch
« Reply #12 on: July 03, 2018, 11:27:47 am »
Clutch fluid was really low. Looks like it has never been changed. I added fluid and it works great now. Gonna have to flush it and I will also do the brakes. thanks for all  the help and info!

Offline Pbfoot

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Re: Clutch
« Reply #13 on: July 03, 2018, 07:27:43 pm »
Clutch fluid was really low. Looks like it has never been changed. I added fluid and it works great now. Gonna have to flush it and I will also do the brakes. thanks for all  the help and info!
Glad you figured it out. Thanks for the update.
If you don't have time to do it right, when do you have time to do it over.                                                                17" wheels, Nissin 4 piston calipers.1kg Sonic Springs.Cartridge Fork Emulators. KB Brace. Galfer brake lines  Free power mod.