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Whats happening to my clutch bearings????

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Whats happening to my clutch bearings????

Old 04-08-2004, 09:14 PM
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Gsir8
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Default Whats happening to my clutch bearings????

Ive' gone through about 4 sets of clutch bearings so far. Why!? I have a washer/shim behind the first bearing that is against the clutch nut. Then now more until after the last bearing there is about 3. It has a little play and spins for about 2 -3 seconds. Is this right? Why are they wearing out so fast?
Old 04-08-2004, 09:40 PM
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k-carboy
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Default RE: Whats happening to my clutch bearings????

is your gear mesh maybe a little too tight? i got ahold of a bad batch of bearings a while back and they are frustrating. the best ive used yet are the metal shielded ones. they seem to hold up a lot better.
Old 04-08-2004, 10:15 PM
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Gsir8
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Default RE: Whats happening to my clutch bearings????

They are meshed fine. Anything else?
Old 04-08-2004, 11:02 PM
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Default RE: Whats happening to my clutch bearings????

Be careful with shims etc.

If your bearing is rubbing against one.. even though it may spin.. at 30k rpm this will produce some SERIOUS heat and kill your bearings..

theres something rubbing there.. thats my guess
ram
Old 04-08-2004, 11:11 PM
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theShark
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Default RE: Whats happening to my clutch bearings????

ORIGINAL: BUGGIES_R_US

If your bearing is rubbing against one.. even though it may spin.. at 30k rpm this will produce some SERIOUS heat and kill your bearings..
once the clutch engages the bearings don't spin and everything is locked in place so it will never spin at 30k
Old 04-09-2004, 08:03 PM
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Gsir8
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Default RE: Whats happening to my clutch bearings????

How can the bearings now be touching the shims?
Old 04-09-2004, 09:37 PM
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bill61
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Default RE: Whats happening to my clutch bearings????

They will touch as the shims retain the bearings in position. They just don't need to be tight, need about .5mm of play.
Old 04-10-2004, 08:43 PM
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Gsir8
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Default RE: Whats happening to my clutch bearings????

They went again!? WHY!?
Old 04-12-2004, 10:23 AM
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Default RE: Whats happening to my clutch bearings????

Darn that sucks.. Hey it only takes about 5-10 seconds for that thing to go up to 1000 degrees if you have friction.. idle time is all you need!

The only thing that can kill a bearing is Water (rust), vibration and heat.. Its got to be one of em!

ram
Old 04-12-2004, 12:27 PM
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Da Smak
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Default RE: Whats happening to my clutch bearings????

now which type are you running in there?

But I to think your shimming is too tight 2-3 secs of spin aint much. I recommend you get some teflon sealed bearings and leave about .010 of endfloat for the clutchbell to rotate. Also some stronger springs and maybe adjust your brakes a little as ridding the clutch wont help them.
Old 04-12-2004, 02:28 PM
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RaZ_Tx
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Default RE: Whats happening to my clutch bearings????

also may try a new bell and what kind of conditions you running in??

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