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Author Topic: Counter shaft sprocket seal  (Read 7434 times)

Offline MxStAr237

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Counter shaft sprocket seal
« on: October 22, 2010, 10:00:20 AM »
on my 2006 RMZ 450 I have oil leaking from behind my countershaft sprocket. So I ordered the seal and o-ring that go with. Now hard hard is it to replace this seal? Just a pick out and replace sort of deal?? Any mechs want to chime in? Thanks!
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Offline flipside

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Re: Counter shaft sprocket seal
« Reply #1 on: October 22, 2010, 11:24:09 AM »
It's not to hard just pry out the old seal and install a new one. Check the collar that goes in there for a groove worn into it.
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Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #2 on: October 23, 2010, 08:06:57 AM »
Thanks Flip. Any method I should use prying out or putting the old one back in? Its a BRAND NEW motor. So im curious to why the seal went out on the first ride?
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Offline Sack Up Racing

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Re: Counter shaft sprocket seal
« Reply #3 on: October 24, 2010, 10:36:23 PM »
Seal might be good, you may have overfilled the oil.  Make sure you read the service manual for proper amount of oil. ....
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Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #4 on: October 25, 2010, 07:56:41 AM »
it was coming out from right behind the countershaft sprocket though? there was about a 6" diameter puddle under the bike and all over the skid plate
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451sdad

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Re: Counter shaft sprocket seal
« Reply #5 on: October 25, 2010, 08:34:27 AM »
"Brand new" as in rebuilt or new from the factory? It could have been torn when it was installed.
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Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #6 on: October 25, 2010, 08:36:01 AM »
Rebulit from the bottom up. Not from factory
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451sdad

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Re: Counter shaft sprocket seal
« Reply #7 on: October 25, 2010, 09:25:22 AM »
It could have been torn/nicked when it was intsalled. I have had that happen to me, very easy to replace.
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Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #8 on: October 25, 2010, 10:53:54 PM »
Okay cool! Im replacing the seal tomorrow! Trying to get rid of the bike actually
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Offline THE DON

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Re: Counter shaft sprocket seal
« Reply #9 on: October 29, 2010, 07:08:23 AM »
To pull it out you can try this



I need to replace mine on my bike too.

how to use it at minute 2:35

http://www.youtube.com/watch?v=rYTDMwxw4Ds

Even better, on a bike with a flat head screw driver with the case on a table.

http://www.youtube.com/watch?v=kSByAVxqVOE&p=78CD0DDAD780E689&playnext=1&index=55
« Last Edit: October 29, 2010, 07:11:49 AM by THE DON »
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Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #10 on: October 29, 2010, 09:47:40 AM »
The seal was fine! the person (unnamed) did not press the seal in completely. I did install the new seal still though.
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Offline dndmx

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Re: Counter shaft sprocket seal
« Reply #11 on: November 04, 2010, 09:23:15 PM »
Quote from: MxStAr237 on October 29, 2010, 09:47:40 AM
The seal was fine! the person (unnamed) did not press the seal in completely. I did install the new seal still though.

yikes!!!!!
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Offline Poolio

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Re: Counter shaft sprocket seal
« Reply #12 on: November 07, 2010, 12:06:35 AM »
Quote from: dndmx on November 04, 2010, 09:23:15 PM
Quote from: MxStAr237 on October 29, 2010, 09:47:40 AM
The seal was fine! the person (unnamed) did not press the seal in completely. I did install the new seal still though.

yikes!!!!!



Hope that was his only "oops"  :?
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You can't drink all day if you don't start in the morning

Offline MxStAr237

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Re: Counter shaft sprocket seal
« Reply #13 on: November 07, 2010, 06:22:02 PM »
im hoping so as well. I just have had bad luck with 4 strokes in general
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