Question about 1987 Honda CBR 1000 F

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I am getting black **** in the clutch slave cylinder preventing it from returning, so the clutch slips. I didn't change the clutch fluid for a long time, but I am wondering if I should be looking at the master cylinder or the hoses?

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  • Master
  • 425 Answers

I had the same problem with a cars clutch. Get yourself a kit and take the whole lot apart, that is the total hydraulics involved with the clutch. Clean it out and fit the new rubbers and O rings etc. You will think it is a different bike after.

Posted on Jan 31, 2010

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  • Adrian Ahrens
    Adrian Ahrens Jan 31, 2010

    The hoses should be OK.

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2 Answers

My clutch won't enagage gear on my 98 corrola at low speed. I cannot change gear sometimes and car will stall. This has only just started happening, Can you tell me what the problem is?


Hi, it sounds like the clutch is dragging (not disengaging fully) first, check for air in the system, will need to open the bleed nipple on the slave cylinder, watch for any air, but do not let the fluid level in the reservoir go down to far, if no air, check that the fluid in the hydraulics is the correct type, check to see if the fluid is clear or slight lemon colour, if it appears black then hydraulic system must be cleaned out and seals checked, and replaced, or master and slave cylinders replaced, next check the adjustment and correct amount of clearance at the pedal and below on the slave cylinder. I take that the clutch is not slipping under power, if it is and clearances are correct the clutch will need to be replaced. Hope this helps, P

Sep 15, 2014 | 1998 Toyota Corolla

1 Answer

Slipping Transmission


Not normally as there is no adjustment on the clutch slave cylinder push rod . I would check that the clutch release arm is allowed to return to the rest position and that by pushing it further off you can get free play at the arm. If that is the case replace the clutch master cylinder as there is a blocked compensating port that is not allowing the fluid return to the reservoir. Always do the cheapest fix first.. If the rod is almost at the bottom of the cylinder then I would say that you are in for a clutch kit replacement job.

Apr 02, 2014 | 1986 Ford F 250

1 Answer

Cant find the clutch reservoir on my audi a4 1.8 eastate r reg..


The Clutch Master Cylinder is located on the firewall inside the engine bay, and usually next to the brake master cylinder as the brake and clutch pedals are usually very close to one another. The Clutch Master Cylinder is responsible for transferring the clutch pedal pressure hydraulically to the slave cylinder to release the clutch. You can tell when your clutch master cylinder is dying or needs repair when you depress your clutch pedal and it slowly sinks to the floor and does not return. Since the entire system is a hydraulic one, the master cylinder also has a reservoir that holds the fluid used in the clutch hydraulic system. If you decide to change the clutch master cylinder it is a good idea to also get a clutch slave cylinder at the same time, as both units typically fail around the same time. When replacing your master or slave cylinder, its always a good idea to flush your entire system to prevent water buildup or air pockets from being present when you are driving. Also always keep an eye on the fluid in your reservoir, dirty fluid may mean that the internal seals are allowing dirt and contaminants into your master cylinder.

Oct 11, 2011 | 1997 Audi A4

1 Answer

Is there a return spring attached from the clutch slave cylinder fork on the gearbox to the fluid bleeder on the slave cylinder??


yes their is if my memory serves me correctly ,a light spring to ensure the thrust bearing is away from the pressure plate fingers when clutch isnt in use like when driving to prevent wear of the fingers ,

Feb 27, 2011 | Isuzu Rodeo Cars & Trucks

1 Answer

Is there any way to adjust the clutch on 2006 Kia Spectra5?


YOU HAVE HYDRALIC CLUTCH WHICH IS A CLUTCH MASTER CYLINDER WITH SLAVE CYLINDER.IF YOU HAVING CLUTCH PROBLEMS.CLUTCH IS WORN AND SLIPPING OR YOU HAVE LOW FLUID LEVEL IN CLUTCH MASTER CYLINDER.WHICH CAUSES AIR GET IN HYDRALIC SYSTEM.CAUSING CLUTCH PROBLEMS.IF CLUTCH MASTER CYLINDER IS LOW ON FLUID.CHECK HYDRALIC LINE ON SLAVE CYLINDER TO CLUTCH MASTER CYLINDER FOR FLUID LEAKS.

Aug 03, 2010 | 2007 Kia Spectra5

3 Answers

CLUTCH SLIPPING WHEN WARM ON 1986 CALVALCADE. REPLACED CLUTCH, SLAVE CYL. CLUTCH SPRINGS AND BLEAD SEVERL TIMES. RUNS 20 MILES THEN WILL START TO SLIP.


Did you replace the clutch springs with the original ones? or with Barnett ones? the latter are much stronger and will not slip, unlike the original ones. Barnett ones are available from www.cademaster.com under cavalcade parts.

May 20, 2010 | 1986 Suzuki GV 1400 Cavalcade LX

5 Answers

Stuck clutch pedal on a Mazda B series truck


Replace both clutch slave and master cylinders, and bleed well. I've also had this happen.

Jul 11, 2009 | 1988 Mazda B2200

1 Answer

1997 hyandai accent gt clutch problem


hi considering age of car and that you have no leaks on hydraulics? may i suggest you try bleeding the clutch to rid of old fluid a couple of pumps may be suffice ? b/fluid does absorb moisture and heat over time hence recommendation tat fluid be changed at period specified in handbooks ie 12 monthly ?

May 15, 2009 | 1994 Hyundai Excel

1 Answer

Master or slave cylinder...leakage?? lines..??


I am totally unfamiliar with the particular setup you have, however I know a bit about clutches, Sifting through what you said, it appears that your clutch is set up too tight. By this I mean that the throwout bearing is always pressing on the release diaphram (or fingers) on the clutch cover. As you drive this is causing the clutch disc to overheat and slip. The repeated bleeding you are doing likely has no effect on this other than that the time you spend bleeding is allowing the clutch assembly to cool off. If the slave cylinder is part of the throwout bearing and is inside the bellhousing you need to remove it and get one that is slightly shorter. If the slave is mounted on the bellhousing and activates a clutch fork that moves the bearing you will need to find a means of backing off the slave adjustment so there is a bit of freeplay between it and the fork. likely since you can drive it you are looking at 1/4" or less play to get it right. My only concern would be that you may have overcentered the fingers on the pressure plate and damaged the return spring. slipping the clutch also has not done good things to the disc either. (like driving down the road with your foot on the brake is not good for brake pads)
Good luck with your project !!

Mar 22, 2009 | 1995 Honda Accord

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