Copper/paper fiber clutch disks

[ViperRon]

I have about 30 k miles on my bike and have had continuing issues with clutch slip. First I cleaned and sanded metals checking them no problems with fibers or metals. The old fibers were of correct thickness. The oil is the proper type no additives and its adjusted it correctly new cable no bind etc ,etc. So on Ebay I saw some new friction plates compatible with R1 Xs1100 etc fitting many bikes but they had new technology using highly compressed paper instead of cork. I studied several documents about the technology and found no negative information. These have been used for several years in bikes and are said to have longer lasting capability than cork and much better function when dealing with heat. I put them in and they seem to function fine. Clutch is smoother and I can not at this point see any slip after engaging clutch. I tried all things in the help like extra steel, Barnett springs washers ruffing up metal plates and all worked for a little time but eventually back to slipping under full power. I will keep all informed in this thread for a period of time.

[3Phase]

Throwout Bearing Clearance?

Ron,

I'm totally baffled.


Take a look at the base clutch settings: where are the clutch lever free play, disengagement and engagement points set?


The clutch lever free play is adjusted with the cable ferrule and thumbwheel up on the clutch perch.

The clutch release and engagement points are adjusted by setting the throwout bearing clearance with the adjusting screw down under the clutch cover.


When you're riding down the highway does just looking at the clutch lever make the clutch start to release?

When you downshift to a stop does the clutch seem like it's not going to fully disengage until the clutch lever is a centimeter or two on the wrong side of the handlebar and there's little or no travel before it starts to engage again as you release the lever?


If the clutch insists on slipping, back the clutch adjuster screw out another sixteenth to eighth of a turn away from the throwout bearing and see if that helps. With the screw set a hair or two too tight when the engine is cold then the throwout bearing clearance, if any, goes bye-bye when the engine heats up and the screw physically cannot release the throwout bearing. The clutch will slip even if you use giant squid suction cups slathered in Gorilla Glue for friction plates and suspension coil springs from an eighteen wheeler for clutch springs.

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[3Phase]

Ron,

I'm totally baffled.

I'm also a completely unobservant doofus. I thought you'd posted to the "XS11/XJ11 Discussion" forum but this is posted to the "Product Evaluations" forum and you were writing about the clutch plates, not musing out loud about the clutch slipping.

Mea culpa!

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