Clutch Bleed Help

paultz · Jan 5, 2013

I,ve just emptied brake and clutch fluid and renewed with fresh. I,ve bled the brakes no problem and they are fine. Thing is, after bleeding the clutch, it's now like rock hard to pull the lever in, like harder than front brake and its not disengaging the clutch although I can hear the clutch moving when I am bleeding it beside the bike if that makes sense.

I,ve done this before with the same problem but not used the bike for 2 years so can,t rememeber the way to rectify it. It was fine before I changed the fluid. The clutch master cylinder is quite new by the way.

Can,t remember how to cure this.

Help. Please. :dunno

Tifa1 · Jan 5, 2013

Undo the 3 bolts & drop the slave cyl off the side of the bike, and check to see if the piston is free (not seized)

You mention that the clutch master cyl is new...are you sure you've got the piston plunger inserted correctly?
Check against your old one, or against the parts fische

paultz · Jan 5, 2013

No. The cylinder is quite new and I know the plunger is ok cos I,ve done some 400 miles with it with no problem untill I changed the fluid.

Tifa said:
Undo the 3 bolts & drop the slave cyl off the side of the bike, and check to see if the piston is free (not seized)

You mention that the clutch master cyl is new...are you sure you've got the piston plunger inserted correctly?
Check against your old one, or against the parts fische

echelon · Jan 6, 2013

Hi Paul

It sounds as though the slave cylinder for the clutch is seized, if the master cylinder is moving freely when bleeding and fluid is getting pumped through, that is not the problem. The sound from the slave will be the fluid moving, it will not move the slave cylinder piston if the bleed valve is open.

As Tifa said, take out the three bolts from the slave cylinder and inspect the piston, get a blunt object and push the piston back in to see if it moves from the seized position.

I had to replace mine with a new billet as my level was dropping every day without any visible signs of a leak, until I read it was a common problem with the Tuono. Mind you it kept my chain well oiled for a while.

paultz · Jan 7, 2013

I,ll try that when I get back in the garage this weekend. Thanks mate.

echelon said:
Hi Paul

It sounds as though the slave cylinder for the clutch is seized, if the master cylinder is moving freely when bleeding and fluid is getting pumped through, that is not the problem. The sound from the slave will be the fluid moving, it will not move the slave cylinder piston if the bleed valve is open.

As Tifa said, take out the three bolts from the slave cylinder and inspect the piston, get a blunt object and push the piston back in to see if it moves from the seized position.

I had to replace mine with a new billet as my level was dropping every day without any visible signs of a leak, until I read it was a common problem with the Tuono. Mind you it kept my chain well oiled for a while.

paultz · Jan 12, 2013

Hi Mate, I,ve done exactly as you said and it seems to be fine now.

Thanks again.:thumbup

echelon said:
Hi Paul

It sounds as though the slave cylinder for the clutch is seized, if the master cylinder is moving freely when bleeding and fluid is getting pumped through, that is not the problem. The sound from the slave will be the fluid moving, it will not move the slave cylinder piston if the bleed valve is open.

As Tifa said, take out the three bolts from the slave cylinder and inspect the piston, get a blunt object and push the piston back in to see if it moves from the seized position.

I had to replace mine with a new billet as my level was dropping every day without any visible signs of a leak, until I read it was a common problem with the Tuono. Mind you it kept my chain well oiled for a while.

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Clutch Bleed Help

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