Front wheel repacking

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24 Jun 2015 08:33 #678091 by missionkz
Replied by missionkz on topic Front wheel repacking

Nessism wrote:

martin_csr wrote:

Nessism wrote: ....

When you tap the new bearing(s) in make sure you don't drive the second bearing in too far. You don't want the inner race pressing too tightly against the inner spacer.


Really? On my 81 650-CSR you're supposed to drive bearings all the way home until they seat, then install the snap rings.


Yes, really!

When installing the bearings into my KZ750E wheel I drove the bearing in too far and the bearing bound up. Had the pound one of the bearings back out and replace it. You can not simply pound the outer race in until it hits the shoulder in the wheel, that may be too far.

I didn't know this either.... however, are we talking about the original ball and race bearings or sealed units such as those from All Balls?
I'm watching this again:

Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado

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24 Jun 2015 08:38 - 24 Jun 2015 08:39 #678092 by Nessism
Replied by Nessism on topic Front wheel repacking

martin_csr wrote:

Nessism wrote:
When installing the bearings into my KZ750E wheel I drove the bearing in too far and the bearing bound up. Had the pound one of the bearings back out and replace it. You can not simply pound the outer race in until it hits the shoulder in the wheel, that may be too far.


Well, I'm going to disagree. And I don't pound away at the bearings: I apply a small amount of grease to the race & wheel, then drive them home using a bearing driver. Two problems your way are that the bearings may not get installed "square" & if not seated, the bearing could shift when you hit a big pothole or something. It's been a while, but on the wheels I've done I'm pretty sure the bearings have to be seated to install the snap rings.


Disagree all you want. I'm telling you that with the wheel bearings installed as far inboard as possible, with the outer race hitting the bottom of the bearing pocket, the spacing between the bearings is too close together on my KZ750E wheel and the tube piece in between the bearings will bind up the inner race. As I already explained, this is what happened on my wheel. I had to drive one of the bearings back out. And yes, I know how to install a bearing.
Last edit: 24 Jun 2015 08:39 by Nessism.

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  • SWest
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  • 10 22 2014
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24 Jun 2015 08:44 #678093 by SWest
Replied by SWest on topic Front wheel repacking
If the snap ring won't fit, it's not in far enough. Production tolerances make it possible to have it too tight, that's where care comes into play.
Steve

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