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Thread: Clutch slipping under load

  1. #41
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    Probably Barnett clutch plates fault. Maybe I need to use Buell clutch plates. I'm going to inspect them soon.

    I'm wondering where are those metal chips from? From clutch dog? From starter gear?
    Last edited by TPEHAK; 05-20-2018 at 05:44 PM.

  2. #42
    Senior Member rchuff's Avatar
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    Can you see an on going theme here? It is everyone else's fault but the guy who installed it. Good thing you are an engineer. Lol!!

  3. #43
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    Found a couple of shaved teeth on the starter ring gear. Also the top area of all the teeth are slightly worn. It looks like this is the source of the metal chips.

    Service manual says if ring gear are badly worn or damaged, replace the clutch shell. But I think it looks OK, just a couple shaved teeth. I do not think the motorcycle is so bad that it can garbage the gear in 22000 miles, people do not replace their clutch shell for many miles with no issues.

    Last edited by TPEHAK; 05-20-2018 at 06:55 PM.

  4. #44
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    Visual inspection showed nothing bad is happening in the clutch.

    Damping spring and damping spring seat look perfect, no discoloration, no distortion.

    The clutch disks look almost like new, no any warpage or discoloration, no burning, no overheating or anything.





    The spring looks like new, same height as new, same color, nothing is wrong




    The pressure plate looks OK, the pressure face justs barely rubbed

    Last edited by TPEHAK; 05-20-2018 at 07:53 PM.

  5. #45
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    Holy cow! Look at what I found.


    First of all, I found the issue. The friction plates pads are rubbed off below service limit. The Barnett friction plates pack thickness with 11000 miles on it is about 16.3mm (service limit is 16.8 mm)




    The new Barnett clutch pack thickness is 17.8 mm




    My old original Buell friction plates pack with 11000 miles is 17.8 mm! They are like new! So, DO NOT BUY BARNETT CLUTCH PLATES if you want your clutch last long, use original Buell clutch plates. I do not know what are benefits of that Barness clutch plates, maybe they are capable to hold bigger torque, but they will not last more than 11000 miles.




    Full pack of plates thickness is 27 mm for 11000 miles Barnett and 29 mm for new Barnett. So minus 2 mm in 11000 miles.

    The only reason I replaced the original Buell clutch plates is some chattering during engaging, but I found the Barnett does the same. So probably I have just to install the original Buell clutch plates with 11000 back.
    Last edited by TPEHAK; 05-20-2018 at 08:59 PM.

  6. #46
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    Buell starter overrunning clutch is garbage too.

  7. #47
    Senior Member rchuff's Avatar
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    Quote Originally Posted by lunaticfringe View Post
    nice work TEABAG! let's review your partial list of "garbage parts from inferior manufacturers" thru the years:
    buell VR's
    buell stators
    buell brake rotors
    buell rear master cylinders
    BUELL MOTORCYCLES
    James Gaskets
    Barnett clutch components
    EBC brake components
    EBR motorcycles

    And you know the list is only going to get bigger!!

  8. #48
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    I also found a pretty big chunk of metal in the primary case shaved off the starter ring gear tooth.


  9. #49
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    Alright, the new Barnett clutch has been installer so motorcycle should be good to go another 11000 miles. Will see how it will work. After 11000 miles I will install my old Buell clutch or maybe will buy new Buell clutch plates. I installed the Barnett clutch because of it looks like I will need to replace the clutch basket soon anyway, the starter gear ring is going to be worn even more, so in 11000 miles I will replace these stuff all together.

    Hopefully tomorrow I will test the fresh clutch plates and will report you back. So stay tuned.
    Last edited by TPEHAK; 05-21-2018 at 12:47 AM.

  10. #50
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    Don't take this the wrong way but, you really need to take an English writing class or at the very least read your post before posting it up.

    Installed
    "Alright, the new Barnett clutch has been ^installer"

    the
    " so^ motorcycle should be good to go another 11000 miles"


    It's which I
    "Barnett clutch because of it ^ looks ^ like

    this
    "11000 miles I will replace these ^ stuff all together."

    back to you
    "Hopefully tomorrow I will test the fresh clutch plates and will report ^ you back. So stay tuned."

    I'm not perfect but I try to be and, I'm dyslexic !


    Last edited by njloco; 05-21-2018 at 02:02 AM.

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