Leaking CS seal after replacement?


7 replies to this topic
  • rhythmofbeing

Posted March 17, 2008 - 12:17 PM

#1

A couple weeks back I replaced the countershaft seal (with the updated design) since it seemed the old one was weeping. The oil leak hasn't stopped, though. Is there something that would cause the new one to leak, as well, or am I missing another leak source?

I commute every day, so by the time I get home to try to find the source, oil is everywhere and I can't tell where it's coming from. The good news, though, is that it isn't leaking enough to register on the dipstick.

Thoughts?

  • Denn10

Posted March 17, 2008 - 12:31 PM

#2

how was the condition of the shaft itself? if there were some grooves from where the old seal sat on it you need to take some fine sandpaper or scotchbrite pad and clean it up. Prolly the problem since it sounds like its not a new bike and has some miles on it.

  • chakaxr650l

Posted March 17, 2008 - 01:50 PM

#3

You could of nicked the lip of the seal when installing it. Other then that I agree with Denn. You may have grooves in the shaft allowing the oil to seep past.

  • Denn10

Posted March 17, 2008 - 02:14 PM

#4

You could of nicked the lip of the seal when installing it. Other then that I agree with Denn. You may have grooves in the shaft allowing the oil to seep past.


good point, should put some grease on the shaft and the seal if you have problems with installing a seal.

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  • rhythmofbeing

Posted March 18, 2008 - 07:56 AM

#5

I wouldn't be surprised if its a combination of both--I didn't check the shaft for scoring. The solution is to scotchbrite it until it feels smooth?

  • martinfan30

Posted March 18, 2008 - 10:28 AM

#6

I wouldn't be surprised if its a combination of both--I didn't check the shaft for scoring. The solution is to scotchbrite it until it feels smooth?


Guess scotchbrite would work. I always have used emery cloth soaked in solvent.

  • Denn10

Posted March 18, 2008 - 11:19 AM

#7

Guess scotchbrite would work. I always have used emery cloth soaked in solvent.


this works well also, just something thats kinda fine so you dont take alot of material away but you can get rid of the grooves if you have any.

  • jetfuel

Posted March 18, 2008 - 12:42 PM

#8

Yes all good advice. If you can get the "grey" scotchbrite its the finest.
or cut 1" wide length wise strip of 400 wet sand paper and make like shoe shine boy.





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