Only one grease seal in front hub?

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03 Sep 2015 12:24 #688471 by pbmax
Only one grease seal in front hub? was created by pbmax
Anyone ever wonder why there is only one grease seal on the front hub?

The other side has the speedo gear drive that covers the bearing up pretty well and then further out there's a seal in the speedo housing assembly... but there's still not a seal right over the bearing. Seems odd to me...

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03 Sep 2015 12:34 #688473 by 650ed
Replied by 650ed on topic Only one grease seal in front hub?
That bearing should be one that is permanently sealed; it will have "ZZ" as the last 2 characters of the part number. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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03 Sep 2015 17:15 - 03 Sep 2015 22:44 #688520 by martin_csr
Replied by martin_csr on topic Only one grease seal in front hub?
Perhaps there isn't room on the left side with the speedo drive stuff or the way the speedo receiver fits into the wheel there may not be a practical way to have an additional seal there. A permanently sealed bearing would kinda solve those problems. It's been a while since I've had the wheel off. ???
Last edit: 03 Sep 2015 22:44 by martin_csr.

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  • SWest
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  • 10 22 2014
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03 Sep 2015 21:28 #688562 by SWest
Replied by SWest on topic Only one grease seal in front hub?
As I remember there was no seal there. The drive covered the bearing and fit into the speedo drive assy. I went to sealed bearings 35 years ago. Now that was high tech. :lol:
Steve

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