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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through May 07, 2011 » Rear axle threading problem « Previous Next »

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Froggy
Posted on Monday, April 25, 2011 - 10:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok, I am not sure whats going on, but for some reason I can't get my rear axle to thread back into the swingarm. Yes I know its rear threaded, so I am turning it in the correct direction, but it refuses to thread. I it will thread from the outside of the swingarm fine, so I think the axle is good. Any ideas? I need to leave for work in a bit and this is my only transport.
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Jdugger
Posted on Monday, April 25, 2011 - 10:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had this happen and it was because I'd slightly buggered the first couple of threads.

Take a small regular screw driver and carefully "etch" out the threads at the edge until they are clean again.
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Spectrum
Posted on Monday, April 25, 2011 - 10:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Seems I have trouble getting it started almost every time I change tires. I found that it isn't going in far enough to start threading. I now usually try turning it, give it a whack on the end with the palm of my hand and try again. Make sure the axle is properly aligned and repeat the above. It eventually clicks in a little deeper and then starts threading.
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Froggy
Posted on Monday, April 25, 2011 - 10:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I took the wheel back off, cleaned out the threads as best as I could, and I was able to get the axle to thread easily without the wheel on, but after I put the wheel back on, I am back to square one and it wont thread despite my attempts. I will keep working on it.
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Froader4life
Posted on Monday, April 25, 2011 - 11:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just a little lube goes a long way with aluminum threads. Try some WD40 if you haven't already.
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Scottorious
Posted on Monday, April 25, 2011 - 11:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have had problems like this. My issue was alignment, Everything has to line up perfect or you just sit there and spin your wrench a billion times and it doesnt move.
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Froggy
Posted on Monday, April 25, 2011 - 11:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I got it, I ended up stuffing a floorjack under the wheel to help line it up, then with some fussing around I got it to go in. What a pain in the ass, it isn't the first time I've changed a tire on this bike so I'm not sure what the trouble is. This whole tire change has been a disaster, from stubborn corsa III's that wouldn't come off, to a stubborn Scorpion Trail that wouldn't go on. Do I risk changing the front after I get home from work?
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Usanigel
Posted on Monday, April 25, 2011 - 11:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That extra weight from the wheel on the axle is enough to deflect it so the alignment is off and is tough to screw in. You removed the weight by lifting the wheel with your floor jack.
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Milt
Posted on Monday, April 25, 2011 - 12:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I just changed tires for the first time on Friday afternoon. I had a hard time with the front wheel.

As Scottorius said, the trouble is that the wheel and forks must be aligned very precisely. I had a hard time holding the wheel, working the socket wrench and seeing what I was doing all at the same time.

My feeling is that another pair of hands would have made the task simple as pie.
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Jdugger
Posted on Monday, April 25, 2011 - 02:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tire changes on this bike are simple IMHO compared to most sport bikes. I can swap wheels on this bike in around 30 minutes, including safety wire.

With a bit of practice, there's not reason it's any more difficult a task than that.
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Avalaugh
Posted on Monday, April 25, 2011 - 02:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's very easy on this bike, the trick with rear axle is to give it tap with a rubber mallet and make sure the wheel is inline.

I hold the wheel with one hand and slide axle in, then a light tap with the mallet whilst still holding the weight of the wheel.
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Catalan42
Posted on Thursday, April 28, 2011 - 06:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi - I had this problem installing the rear wheel on my Uly. Very difficult until I figured out the problem!

On the side of the rear axle away from the threads (the end you wrench on), there is a squarish ridge that must fit into the swingarm axle hole. Until then, the axle threads will not quite touch the swingarm threads (1-2 mm gap). Until you realize this, you will keep turning the axle attempting to get it threaded, but the 2 sets of threads are not yet touching.

To get the axle all the way in, I find it helpful to lower the bike so that you don't need to support the rear wheel with your hands/feet. Get the belt fully seated, and wiggle the wheel rearward as far as possible. Experiment with raising or lowering the bike if necessary to get the wheel & swingarm aligned, and keep wiggling the wheel & stretching the belt until you get things aligned enough for the axle to fully slide into the wheel/swingarm allowing the threads to make contact.

Once you realize what is going wrong, it is a cinch to install the rear wheel! Also, you don't need to remove the idler pully like the maintenance manual says (just be gentle wiggling the wheel and bending the belt when removing/installing the wheel).
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Chessm
Posted on Friday, April 29, 2011 - 12:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

haha you put scorpion trails on a CR?

post a pick i gotta see this!
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Froggy
Posted on Friday, April 29, 2011 - 01:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I only got the rear on for now, my front corsa III is shot but I haven't had a chance to swap it. Here it is, on my R





And this is what my CR rubber looks like right now



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Chessm
Posted on Friday, April 29, 2011 - 04:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ah! that looks beefy!

i was thinking of slapping those on the xb9s.

post up a review after youve had them on a for a while!
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