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May 9th, 2009, 08:53 AM   #1
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worn followers in my 650 -02, what to do? help!

Had a typical follower bearing failure in my -02 650 fe berg and found out that the needles in the bearing have "curved" the inner part of the follower. Is this dangerous? How worn can the followers be before they need to be replaced? Is there any cure for this or do i just need to buy brand new ones?

First i thought the problem was only the follower in which the bearing had failed but it seems like both of the followers have worn a bit, the failed one a little more. Seems like this has happened to the previous owner maybe aswell... Here's a pic of the case:
http://img21.imageshack.us/my.php?image=dsc09060q.jpg

- jerry
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May 9th, 2009, 10:13 AM   #2
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Mine looked like that after a bearing faliure. I smoothed off the rough edges with a fine file and it's been fine since. New ones would be the ideal route if you don't mind spending around £80 each. Make sure you centre punch the rocker in 2 or 3 places either side around the pin, once they have been pressed out once they don't seem to hold as well.

Regards Freaky
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May 9th, 2009, 10:53 AM   #3
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whoah, thanks for the relief freaky did you smooth the edges till the whole inner surface was flat or did you just leave them curved but smoothed? i remember reading from some topic that there should be some rather small gap between the bearing and the edge ( like 0,3mm?) or am i completely wrong ? If i did what you adviced, wouldnt it make the gap bigger or does it really even matter? thanks for the fast reply btw! great forum indeed.
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May 9th, 2009, 11:20 AM   #4
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I just took the rough high spots off the inside where the collapsed rollers had caused damage, like you say, remove as little as possible so as not to cause too much lateral movement. Not sure what the actual clearance should be.
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May 10th, 2009, 02:21 AM   #5
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On my 05 rockers I found it easier to punch the pin itself as it was soft on the ends.
The rocker was hard, and is likely to bend if you punch it.
That was 2500km ago so all is well.

Cheers spanner
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May 10th, 2009, 11:03 AM   #6
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replace the rocker!
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