Clutch

Got a technical query? Found another 0.02bhp? Ask/tell the world.

Moderators: Gromit, Paul, slparry

hooperman
Posts: 39
Joined: Tue Sep 22, 2009 6:59 pm
Location: Kent

Clutch

Postby hooperman » Mon Sep 17, 2018 5:47 pm

Hello,

I have replaced the clutch plate on my R1100s. However after difficulty bleeding the clutch, when riding the bike after pulling the clutch lever and selecting 1st gear it engages after after releasing the lever a very small amount. The clutch lever feels as normal. Fluid leveI in the resevoir is normal. I am able to ride the bike but the clutch set-up is not correct. I will be very grateful for ideas as to what I have done wrong.

Jeff Highland
Posts: 87
Joined: Thu Jan 12, 2017 10:03 pm

Re: Clutch

Postby Jeff Highland » Mon Sep 17, 2018 7:54 pm

This is fairly normal.
With the dry clutch there is no drag between plates so the driven plate stops spinning quickly and the engagement dogs in the gearbox don't line up.
A slight release of the clutch lever allows rotation and alignment.
Also If you make sure you immediately engage gear after pulling in the clutch it does not give the issue.

hooperman
Posts: 39
Joined: Tue Sep 22, 2009 6:59 pm
Location: Kent

Re: Clutch

Postby hooperman » Tue Sep 18, 2018 7:59 am

Thanks. However it is completely different to how it was before. The clutch is fully engaged with the lever released by only about 20 degrees. Why has it changed? I had someone else replace the clutch plate several years ago when the centre failed but eh feel of it was the same.

hooperman
Posts: 39
Joined: Tue Sep 22, 2009 6:59 pm
Location: Kent

Re: Clutch

Postby hooperman » Tue Sep 18, 2018 8:16 am

Just had a terrifying thought. Is there a ball bearing behind the clutch push rod?

boxerscott
Posts: 3703
Joined: Sat Apr 21, 2007 5:07 pm
Location: scottish borders
Contact:

Re: Clutch

Postby boxerscott » Tue Sep 18, 2018 9:09 pm

hooperman wrote:Just had a terrifying thought. Is there a ball bearing behind the clutch push rod?
Why ask? have you found a rogue bb kicking about your shed? My initial thought was keep bleeding and get rid of microbubbles!

Chris
Fiat Panda.
Fiat Scudo (with speedblock, pipe carrier, reversing sensors, reversing camera, tow bar, some new rust and Fake Plumber logo)


started out with nothing, still have most of it left.

User avatar
nab 301
Member
Posts: 2374
Joined: Sat Dec 04, 2004 6:41 pm
Location: Dublin Ireland

Re: Clutch

Postby nab 301 » Wed Sep 19, 2018 1:57 pm

There's no ball linked to the push rod in the parts diagram. If you haven't already done it I'd loosen the banjo bolt a fraction while pulling the lever, in case there's a bubble of air trapped there ( while protecting paintwork etc) . I've never changed the clutch yet but the last time I changed the fluid I ended up with a situation like you've described but it was just air . Also, tapping the flexi pipe up to the master cylinder can encourage any stray bubbles "uphill' to vent into the master cylinder.
_________________
Nigel

Keep smiling, it makes people wonder what you've been up to!
1999 R1100s (mandarin) '
2018 DL 250V Strom
2019 CB125F Honda.
MZ301 Saxon Fun ( currently retired)
'03 Bullet 65 project..

victorlaszlo
Posts: 304
Joined: Sat Mar 26, 2016 1:48 pm
Location: London

Re: Clutch

Postby victorlaszlo » Mon Oct 08, 2018 11:02 pm

Trapped air would indeed cause a longer lever travel and less clutch action ie it would engage earlier as the lever in reality perhaps just performs 80% of its action...


Return to “Boxertech”

Who is online

Users browsing this forum: No registered users and 61 guests