Clutch balancing

[Fellhopper]

I'm installing a new Sachs clutch kit in my 2003 R1150GS and have a question about balancing, if anyone can help? I can find a white paint mark on the flywheel and one on the new pressure plate but there isn't one on the new clutch cover.
Question: do I install the kit with the two paint marks at 180 degrees or does it not matter on modern kits i.e. Are they already factory balanced?

 

[GotFog]

Not sure about Sach parts, but BMW manual and parts calls for the best 120 degree seperation you can attain. You may need to get an email to Sachs for clarification.

Sent from my SM-G930P using Tapatalk

 

[Fellhopper]

Not sure about Sach parts, but BMW manual and parts calls for the best 120 degree seperation you can attain. You may need to get an email to Sachs for clarification.

Sent from my SM-G930P using Tapatalk

Thanks for the advice. If I could see 3 paint marks then I would space ar 120 degrees. Problem is that there are only 2 with nothing at all on the cover plate. I wonder if it's necessary at all as there is lots of machining evident from the factory that coincides with the paint marks. Maybe they identify the heavy side with a paint mark then mill off some metal to achieve good balance. Just reluctant to tighten the bolts down before I am confident I won't regret it.

 

[Ian J Hartley]

It would seem inconceivable that Sachs would not balance their clutch components in house. The clutch components are not sold as matching sets, so it would make sense to have them individually pre balanced.

I suspect that BMW during initial assembly of their bikes take the clutch components and put them through an in house balance check and mark them up so that the 120Deg spacing can be followed during bike assembly.

Like you when I changed my clutch I could not find any marks which I could confirm were balance marks, so I just fitted it without bothering.

I might be wrong, but so far after 10k miles all seems well.

 

[Fellhopper]

It would seem inconceivable that Sachs would not balance their clutch components in house. The clutch components are not sold as matching sets, so it would make sense to have them individually pre balanced.

I suspect that BMW during initial assembly of their bikes take the clutch components and put them through an in house balance check and mark them up so that the 120Deg spacing can be followed during bike assembly.

Like you when I changed my clutch I could not find any marks which I could confirm were balance marks, so I just fitted it without bothering.

I might be wrong, but so far after 10k miles all seems well.

It's a done deal now!

 

[sykospain]

arthur14

I get the impression that the Sachs firm in Slovakia provides a friction plate that will launch into a post-2003 BMW machine with no necessary special precautions about balance.
If I were buying a new one from them, which I wouldn't 'cos Motobins, Motorworks, James Sherlock, US BoneYard et al have perfectly serviceable used ones at much lower prices, then I'd go to the trouble of buying an "esmir-spacer" ( see ADVRider forum - spline wear ) and interposing that into the accessory Clutch Friction Plate, just for the reassurance that the plate would now cover the full length of the gearbox input splined shaft.
And...
I notice now that the excellent Mr. Esmir provides a fit-it-to-your-supplied-plate service.
Silly not to...