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-   -   2013 One Way Bearing (https://www.grizzlycentral.com/forum/grizzly-engine-transmission/50144-2013-one-way-bearing.html)

reogem 09-11-2015 08:35 AM

2013 One Way Bearing
Just changed my OW as it was skipping a little.
Starting in 2013 Yamaha added the ring seal to the clutch drum one way bearing assembly.

Here is a few pictures of the correct installation of the OW.

Drum before installing the OW and seal
(drum looks nice after 14000 miles)
If you look close you can see chatter marks on the drum race from the OW grabbing. They're on the WC race also.


I shot these after installing the new OW and seal. Showing the old OW for clarification.

The OW has to be installed into the drum with the green dot or arrow facing away from you the the seal is tapped in.

Wrong Way if you can see the green dot.

Old OW on left new on right, see the flat spots.(old ring seal layingin background)


Lonerider 09-11-2015 08:55 AM

Not bad tho for 14,000 miles it still amazes me how long these Yamaha clutch systems last . Mine was un touched at nearly 16,000 miles and my one way worked great .

Ridgway81432 09-11-2015 09:54 AM

Thanks for taking the time to post those pictures. Can someone sticky this?

rwreuter 09-11-2015 06:07 PM

Yeah, this is a great, good to know thread!


reogem 02-09-2016 09:31 AM

I found out about 500-600 miles later that I needed to replace the drum.
I rode for a lot of miles with the OW freewheeling intermittently (ignoring my own advise to others). Because I didn't want to take time off from riding.
The OW when just freewheeling and not grinding it is wearing on the race. The OW operates at very tight tolerances so it seems that just a thousandth of an inch or so. Is too much. Lesson learned.

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