I talked to Oleg at ClutchNet Manufacturing USA. http://www.clutchnet.com/home.php
I sent him a few pictures of the RB Racing sprung clutch, and his reply was, "Those are pictures of my clutches. We make those." (Looks like RB never did make clutches.)
Oleg has been designing and making clutches since the 1960s and has made countless clutches for on and off road. He couldn't give me an exact quote until he took some measurements of the clutch and assembly.... but he did mention a ballpark price of about 200 bucks for a sprung clutch with kevlar or cera-metallic. (We shall see)
If anyone has an old clutch, plate and assembly sitting around and would consider loaning it out for about 2 weeks, please PM me or email [email protected]. It will be sent to Oleg for measuring and sent back to the owner at my expense. Thanks a million if you can help
He also makes spline shafts...hahaha. I'll talk to him about spline shafts next week.
FYI - Oleg seemed highly motivated to produce aftermarket parts for BMW motorcycles.
I'll keep ya all posted
Clutch & Spline Shaft
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- twindave
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- Location: Sierra Foothills, California
Clutch & Spline Shaft
Know it, Love it, Ride it
Re: Clutch & Spline Shaft
I'd buy one of each! 
2017 Husqvarna 701
2007 Husqvarna TE250
2004 BMW Rockster
2007 Husqvarna TE250
2004 BMW Rockster
Re: Clutch & Spline Shaft
I've got a relined disc I just took back out after it proved to not work very well. Reportedly the material was some kind of kevlar blend but still was grabby.
I've still got it.
I measured the new oem disc when I put it in but can't remember for
sure what the thickness was. I think it was 9 mm ?
The hub & everything is still in great shape so he could get good
measurements from that.
Where should I send it? He could keep it if it would help. I don't have
any of the other clutch parts.
[email protected]
I've still got it.
I measured the new oem disc when I put it in but can't remember for
sure what the thickness was. I think it was 9 mm ?
The hub & everything is still in great shape so he could get good
measurements from that.
Where should I send it? He could keep it if it would help. I don't have
any of the other clutch parts.
[email protected]
Re: Clutch & Spline Shaft
What a find, you may become a legend on this web site twindave. I know now where I'll be looking for a new clutch when the time comes. Thanks for passing on this info.
2004 Ferro R1150R the stealthiest color
When everything's coming your way, you're in the wrong lane.
When everything's coming your way, you're in the wrong lane.
Re: Clutch & Spline Shaft
I will be looking for a new clutch very soon. 
Lifetime Member #586
2002 R1150R
2004 R1150 ABS
2003 F650 CSA
PRESSING "1" FOR ENGLISH!
2002 R1150R
2004 R1150 ABS
2003 F650 CSA
PRESSING "1" FOR ENGLISH!