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Hydraulic clutch adjustment

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Renzakuken
Borekit Bruiser



Joined: 28 Nov 2014
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PostPosted: 23:11 - 09 Feb 2019    Post subject: Hydraulic clutch adjustment Reply with quote

Evening all

I've replaced my master cylinder assembly on my GSX650F 09 reg after a drop, causing the original to have the handle ripped away. The replacement part is OEM.

Today I planned to take a test ride to ensure everything was working as it should be, however I've now noticed the bite for the clutch is instant after starting to release the handle, once it's been fully pulled in.

How can I adjust where the biting point is on this model?
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CBR 125 2006 STOLEN
GSX600F 2003 SOLD
GSX650F 2009 CURRENT
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MCN
Super Spammer



Joined: 22 Jul 2015
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PostPosted: 23:15 - 09 Feb 2019    Post subject: Reply with quote

Are you certain all of the air is out of the system?
We fitted a hyd clutch to a Yamaha trail bike years ago. It was a pig to bleed. It would release after a while but engagement was harsh.
Bled it and bled it and bled it. Then it was fine.

Just sayin'.

https://youtu.be/dpy5Us6wG70

I hope you like his Murican music intro. Rolling Eyes
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.


Last edited by MCN on 23:20 - 09 Feb 2019; edited 2 times in total
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Polarbear
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PostPosted: 23:18 - 09 Feb 2019    Post subject: Reply with quote

Basically won't need adjusting, just bleeding properly.

That's a typical sign of air still in the system.
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rs700
Derestricted Danger



Joined: 13 Feb 2012
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PostPosted: 12:23 - 10 Feb 2019    Post subject: Reply with quote

mostly it could be not blead properly (as previous posters say)
Most master cylinders have a grub screw so you can adjust the action of the lever.
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bikenut
World Chat Champion



Joined: 21 Nov 2011
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PostPosted: 11:08 - 12 Feb 2019    Post subject: bleed Reply with quote

Or completely fill the slave cylinder and pump out the piston as far as you dare, Allow for any "airated" fluid ( aero peppermint is my choice ) to de air, then gently push the clutch sl;ave cylinder back into the body, watching fluid spirt from the very small recouperating hole in the master cylinder res floor.

Gravity is a help for initial bleeding, then pumping just like for brakes.
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Hong Kong Phooey
World Chat Champion



Joined: 30 Apr 2016
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PostPosted: 10:27 - 14 Feb 2019    Post subject: Reply with quote

1. Clamp lever to bar overnight with string wrapped round it
2. Get up next morning, have a brew
3. Unwrap string and try the lever
4. Be amazed
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