1199 clutch lever getting closer to hand grip

Fold it in half first

Keep it off the first 2 threads

You ever take apart a oem slave and see how much gunk is in it from the moisture that’s in the air that is getting in there? Tons


As plates wear the push rod gets longer (effectively) so it ain’t that

Herrod said:

I just put some Stahlbus bleeders on V4R masters and can tell from their action that it will save bleeding/flushing time.

Have replaced slave on 1199 and v4r with ducabike and CNC respectively but kept master clutch OEM. The 1199 clutch is now great.

V4R clutch still seems to need bleeding a lot, maybe the dry clutch plates are on the way out...I thought about wrapping Teflon around the bleed screw thread but it worried me that Teflon degraded into the system and caused mischief - admittedly I am not a chemist but I want the brake internals to be the one area of the bike free from any contamination!


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Just curious how do the Stahlbus bleeders help save time ? and which one did you get ?

melvinakshay said:

Just curious how do the Stahlbus bleeders help save time ? and which one did you get ?

Click to expand...

The ones I got were: m8x1.25-16mm (x2) m10x1.0-14mm (x2) m10x1.0-16mm (x1)

Those were in the same order front calipers, master cylinders and rear caliper.

The reason they are quicker to bleed/flush is that they act as a one way valve that doesn’t take air into the system when you crack the
Valve open.

So if bleeding normally by hand (ie without a mityvac or air compressor - setting up each of which takes time) you need one hand to pump the lever, one hand to hold the tubing onto the bleed valve properly and one hand to turn the Spanner to open and close the valve carefully in time to avoid any air going in. You can do this with two hands with just a rag or cotton wool if you hold your mouth right but front left caliper can be interesting...

You can use a rag or cotton wool much more easily than tubing to bleed with stahlbus so sequence is just pump leaver a few times to create pressure, open valve, gently squeeze lever till no air coming out, close, ride with smile on face.






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Hey guys,

I bled the clutch cylinders tonight. The master was the culprit. First I sucked out the old fluid since it was dark and then I cleaned the reservoir. Then I refilled it and bled the master. That made a huge difference. I set the lever back to where it was and all seems good. (for you Alan Millyard fans, "I was well pleased!") I'll test it out on the road over the next few days. Thanks for the advise everyone!