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Having a very strange issue with my clutch and was referred here as many of you owned/worked on/or raced on the SV platform. When pulling in the clutch lever, the bike still feels to be in hanging in gear; it is very difficult to push the bike around the garage while it is "in gear". The bike moves as expected when neutral is selected, but, all other gears it has the same symptom. Clutch cable is in good shape and adjusted properly, worm gear plunger has been disassembled, re-greased and adjusted (in good working order). Pin to the clutch case is clean and free of debris and moves as expected when pulling the clutch lever.
So I took apart the clutch yesterday and found some black spots on a few of the steel discs, not blue at all, just black (see picture). All of the fiber plates seem to be in good shape, but, I am very new to this, and it is my first motorcycle clutch job, any info or thoughts on the issue would be greatly appreciated!
thanks,
jp
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That looks like a hot spot...
Are all the steels flat or are any of them warped?
Got a micrometer? any of em have thickness variations?
Bet the problem would prob go away with a new clutch pack.
-Pete LRRS/CCS #81 - ECK Racing, TonysTrackDays
GMD Computrack Boston | Pine Motorparts/PBE Specialists | Phoenix Graphics | Woodcraft | MTag-Pirelli | OnTrack Media
The Garage: '03 Tuono | '06 SV650
warping from clutching up wheelies, I agree with Oreo
RandyO
IBA#9560
A man with a gun is a citizen
A man without a gun is a subject LETS GO BRANDON
Isaac LRRS/CCS #871 ECK Racing | Spears Enterprises | GMD Computrack Boston | Pine Motorparts/PBE Specialists | Woodcraft | Street & Competition | MTag-Pirelli | OnTrack Media
Bike: SV650, Bride of Frankenstein
If you think clutching up wheelies on an SV warps steels then technically we agree to disagree.
I'd wager that my race starts beat up a clutch a lot more than my clutching up wheelies.
The bluing in one spot is why I'm wondering if it's warped, bent or out-of-spec steels, mostly because I can't think of any other reason off the top of my head that would cause that.
Springs..... maybe?
What does the clutch basket look like? Can't imagine that's the culprit but it's a question worth asking.
Last edited by OreoGaborio; 03-22-21 at 07:47 PM.
-Pete LRRS/CCS #81 - ECK Racing, TonysTrackDays
GMD Computrack Boston | Pine Motorparts/PBE Specialists | Phoenix Graphics | Woodcraft | MTag-Pirelli | OnTrack Media
The Garage: '03 Tuono | '06 SV650
You can use a piece of glass or a tile to check for flatness.
'02 Ducati 998, '08 Ducati HyperMotard 1100S, '14 Subaru XV Crosstrek
RandyO
IBA#9560
A man with a gun is a citizen
A man without a gun is a subject LETS GO BRANDON
I checked them all with a micrometer and they were all within thickness spec. The plates appeared to be flat, checking them against something flat is a good idea...a little more calibrated than....my eyeball.
All of the springs were between 1.99"-2.04" so I would assume that those are okay.
Thanks for the info everyone, will keep updated if solved.
Out of adjustment is my guess. Not at the lever. You need to adjust the clutch down at the push rod.
Update time. number9 I think you were on to something. The basket and the carrier both are a bit grooved, see pictures. I'm guessing its time to replace these? Or is this normal wear? I put the whole thing back together with new plates, fibers, and spacer washers (before realizing that the grooves were indeed there) and had the same symptoms...took it back apart, and well here we are. Any thoughts by people smarter than I am on this subject?
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Bike is all fixed and running. Thanks for the help everyone. The clutch release mechanism was the issue, it was missing bearings inside that I initially didn't notice. Bought a new one, bolted it on, and the problem disappeared magically. Appreciate all of the ideas and input.
Awesome. Glad you got it sorted!
-Pete LRRS/CCS #81 - ECK Racing, TonysTrackDays
GMD Computrack Boston | Pine Motorparts/PBE Specialists | Phoenix Graphics | Woodcraft | MTag-Pirelli | OnTrack Media
The Garage: '03 Tuono | '06 SV650