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-   -   HELP: Front wheel bearing removal? ( https://www.xt660.com/showthread.php?t=24012)

21 incher 16-05-15 20:40

HELP: Front wheel bearing removal?
 
Hi...The front wheel bearings (XT660Z 2008) seem to be flush with the metal-tube that rests between them. So, just how, exactly, do you knock/tap out the bearings with a flat-headed screwdriver, for example, when there appears to be no lip/ridge? Is a special tool needed, if so, what would it be and where could I get it? Thanks...your's...stuck half-way between a job
:surrender:

21 incher 16-05-15 20:46

Hmm...
 
Quote:

Originally Posted by Pepsi (Post 210557)
gotta be honest here.....I would love to know the answer too!

Really!? :icon_cheers:

aliwakeskate 16-05-15 21:22

The metal tube can be moved out of the way just enough to see the lip of the bearing - it is probably just a bit stuck in there at the moment.

When I did mine I used some 10mm diameter steel bar (a big screwdriver or something would do the same job) I had lying about to kind of lever the bottom of the tube to one side to reveal the edge of the bearing. It took a little bit of pressure to 'force' the tube to one side.

21 incher 16-05-15 21:25

er...
 
Quote:

Originally Posted by Pepsi (Post 210559)
yep.....deffo !

...any ideas? I mean, I've read the Haynes manual and now looking at the front wheel bearings' system, it seems a bit odd that the internals of the hub seem flush!!!!??? hmm...

21 incher 16-05-15 21:38

Still looking and no lip...
 
Quote:

Originally Posted by aliwakeskate (Post 210561)
The metal tube can be moved out of the way just enough to see the lip of the bearing - it is probably just a bit stuck in there at the moment.

When I did mine I used some 10mm diameter steel bar (a big screwdriver or something would do the same job) I had lying about to kind of lever the bottom of the tube to one side to reveal the edge of the bearing. It took a little bit of pressure to 'force' the tube to one side.

Thanks...I'll have a go tomorrow now, if it seems like I can't find the lip then
it's a trip to the shop, somewhere(?) for a bearing-puller :smilies0943:

21 incher 16-05-15 22:24

Quote:

Originally Posted by Pepsi (Post 210566)
I've just found the manual and it states you use a "general 3 inch bearing puller"

Oh right...Could this be the answer?

http://simplybearings.co.uk/shop/p78...duct_info.html

21 incher 16-05-15 23:20

Quote:

Originally Posted by Pepsi (Post 210572)
looks similar to the one on the schematic in the manual. But I have to say the claws may still require an 'inner' edge to pull which may leave back at square 1.


Hi Pepsi, I've been looking in the Haynes manual but still cannot find what the 3 inch bearing-puller actually looks like :icon_frown: ?? Where could I buy one from too, thanks ☺

Petenz 17-05-15 00:10

Aliwakeskate gave you the answer....:WellDone_OROQR1:

Put a long punch in pull it sideways the
inner spacer will move sideways enough
to get a punch on the inner race of the
bearing...

you do seem to be strugging with it
maybe you should take it to a shop have them
do it...




.

21 incher 17-05-15 01:03

Cheers...
 
Quote:

Originally Posted by Petenz (Post 210575)
Aliwakeskate gave you the answer....:WellDone_OROQR1:

Put a long punch in pull it sideways the
inner spacer will move sideways enough
to get a punch on the inner race of the
bearing...

you do seem to be strugging with it
maybe you should take it to a shop have them
do it...

Thanks guys, I'll have another go in the morning :icon_study:

Desert Racer 17-05-15 09:33

If it's any help, I watched a well reputed Bike mechanic change a wheel bearing on my old DR600 once.
He heated up the hub carefully with a blow torch wearing thick glove's, turned the wheel over then the bearing just fell out. He then quickly turned the wheel back over then dropped the new bearing in place before the hub cooled. Job done in minute's, no damage to the hub or wheel & everything all worked fine with no problem's.

21 incher 17-05-15 19:22

Not easy...
 
Quote:

Originally Posted by Desert Racer (Post 210584)
If it's any help, I watched a well reputed Bike mechanic change a wheel bearing on my old DR600 once.
He heated up the hub carefully with a blow torch wearing thick glove's, turned the wheel over then the bearing just fell out. He then quickly turned the wheel back over then dropped the new bearing in place before the hub cooled. Job done in minute's, no damage to the hub or wheel & everything all worked fine with no problem's.

Had another look and I really do not want to damage anything by mistake or brute-force. So I'll take it to the local Yamaha dealer. I did take it to my local bike shop and they said that if they had to take it out they'd weld a bar to the bearing and then knock them out that way.

Had a look at some bearing-pullers and thought that they would not "fit" the wheel to be able to pull up/out the bearings?

Besides the question "how?", what if you where in the middle of, say, China and needed them doing????

dellybelly 17-05-15 21:17

I've used an expanding bolt (the type you use in masonry) in the past (not on an XT, though). You put it into the inner race and tighten it up. You can then use a drift through the centre of the hub and hammer out the bearing.

Mort 18-05-15 09:34

Old screw driver down the spacer beet the crap out of the bearing fit new bearings job dun, no sweat.:brain:

Ohlins 23-05-15 16:09

I use a small diameter bar like in the images. As stated,push the spacer tube over to one side and get the lip of the bar onto the bearing and whack it. I have my bar hit with a hammer to make a lip,like the top of a chisel. You can heat the hub with boiling water to assist.

The bar has to be thin enough to get from one side of the hub to inside of the bearing at a good angle,something that is hard to do with the likes of a screwdriver.The small burr is enough to get a purchase. Handy enough to put in a bum bag when traveling too.

:)


http://img.photobucket.com/albums/v1...p/DSC03996.jpg


http://img.photobucket.com/albums/v1...p/DSC03997.jpg


http://img.photobucket.com/albums/v1...p/DSC03998.jpg



:)


.

Petenz 24-05-15 01:51

really.. It is such a easy job...
a hammer & a long punch is the only tools needed
I done my XTR bearing just how described & my boys
Honda CRF150 a few weeks ago aswell as countless
other bikes over the last 30 plus years...

21 incher 27-05-15 21:39

Thank you...all
 
Quote:

Originally Posted by Petenz (Post 210775)
really.. It is such a easy job...
a hammer & a long punch is the only tools needed
I done my XTR bearing just how described & my boys
Honda CRF150 a few weeks ago aswell as countless
other bikes over the last 30 plus years...

Thank you everyone who has given good, useful advice to this novice. In the end I had to take the wheel to the shop and they had everything all out in a jiffy, cost a fiver too.

What I have learnt here is that I never realised that the spacer is so much narrower than the inner hub. It has been an interesting learning curve.

What I did notice mind, was that the bearings had what I'd call "groves" between the inner and outter race. This may have been the bearings pushing into the spacer, to the point that the spacer could not move. The bike shop macanic did "go a little red in the face" while doing it...bless him.

The new bearings are in and all seems well...:smilies0948:


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