Rear axle won't come out! - Honda CBR500R Forum : CB500F and CB500X Forums
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post #1 of 10 (permalink) Old 11-03-2019, 10:20 PM Thread Starter
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Rear axle won't come out!

Hi, I've recently tried changing my sprockets and chain. Front sprocket went okay, but I couldn't get my rear wheel off the best I tried. I spent 6 hours with a rubber mallet, and got my chain adjusters un seized but couldn't get any further. I have a 19mm socket and the correct 23mm for the other side. What I tried:

Take weight off wheel

Use a rubber mallet hitting the reversed bolt on one side.

Using two flatheads, pushing bolt out on one side and hitting it on the other.

A fuckfload of pb blaster

Does anyone have any extra ideas? As of now, I bought some pieces of wood and a bigger hammer as well as some Kroil to really unseize whatever is blocking it. I have asked this question elsewhere and the running theory is that the wheel bearing seized to the axle. I am now also going to purchase bearings to swap out when I do get that **** wheel out.

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post #2 of 10 (permalink) Old 11-03-2019, 10:47 PM
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To be clear, did you get the nut off the axle? Can you post photos?

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Male, 44yrs, 180lbs, 5'9", '14 (RWB), 22k miles, Bridgestone BT023, Vortex V3 kit, Rotella T6, KN-204 filter, 87 Octane, Maxima Chain Wax, Puig 6479W windscreen, clear signal lenses, Fork Preload caps, T-Rex spools, Radiator guard, Shorty adjustable levers, Fork stem RAM mount/USB port, red/black alum grips, 300R Rear tire hugger, Rear seat cowl, LED engine/undertail lights w/RF remote, LED position light, Sea level, city commuter, spirited rider, turn my own wrenches.
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post #3 of 10 (permalink) Old 11-03-2019, 11:02 PM Thread Starter
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Sorry I didn't take pictures when I was doing this. The nut come off with no issues, the axle just doesn't slide out.
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post #4 of 10 (permalink) Old 11-04-2019, 06:23 AM
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Quote:
Originally Posted by burger View Post
Sorry I didn't take pictures when I was doing this. The nut come off with no issues, the axle just doesn't slide out.
The only thing I can think of is the rusted spacer or bearing inner race.
Usually the sprocket carrier bearing is the one what is failing first, but normally they should not rust on the shaft due to the chain lubricants preventing rust.
If you have been able to unfreeze the adjusters, slacken the chain and remove from the rear sprocket. Try to heat the left side spacer with propane and use the hammer to remove the axle.
I must say I've never experienced such thing on modern bikes, so good luck.
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post #5 of 10 (permalink) Old 11-04-2019, 09:23 AM
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I would have already gone to the "Get The Bigger Hammer" stage..

To ride or not to ride? What a stupid question!... Anon

Last edited by airhead83; 11-04-2019 at 08:49 PM.
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post #6 of 10 (permalink) Old 11-05-2019, 11:18 AM Thread Starter
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Quote:
Originally Posted by Oyabun View Post
The only thing I can think of is the rusted spacer or bearing inner race.
I think this is the problem too, I will update the thread once I know for sure
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post #7 of 10 (permalink) Old 11-05-2019, 12:06 PM
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As stated, if you have removed the nut from the end of the axle there is nothing (except corrosion) that will prevent the axle from coming out. You need to spray penetrating oil and use a big hammer!! I would suggest putting the nut back on the end of the axle before you hit it with a hammer as that will help protect the threads..


Gary
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post #8 of 10 (permalink) Old 11-07-2019, 11:15 AM
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This is why I remove axles early-on and grease them. I recommend this preventive step for all bikes, especially those used in rainy climates. Thumbs up to Thashberg for reminding all to re-fit the axle nut before pounding on the axle. No point compounding your headaches by mangling the threads on an axle.

I'd like to see a follow-up re how the axle removal finally happened.

Ralph

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post #9 of 10 (permalink) Old Yesterday, 11:44 PM
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Agree with Ralph. Both points very valid. I have found that axles are usually dry when bike is shipped. Do some preventive maintenance on new bike. Grease or just oil axles to avoid corrosion. So much easier to get apart later when it becomes time to take things apart.
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post #10 of 10 (permalink) Old Today, 08:47 AM
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Quote:
Originally Posted by Oyabun View Post
I must say I've never experienced such thing on modern bikes, so good luck.
Same here. I suspect there's something else amiss here.
When I remove the rear wheel, I put a scissor jack underneath it and raise it to effectively remove any weight from the axle. After I remove the axle, I let the wheel roll down the incline of the jack. Smooth as butter.
Here is the page from the maintenance manual.


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Male, 44yrs, 180lbs, 5'9", '14 (RWB), 22k miles, Bridgestone BT023, Vortex V3 kit, Rotella T6, KN-204 filter, 87 Octane, Maxima Chain Wax, Puig 6479W windscreen, clear signal lenses, Fork Preload caps, T-Rex spools, Radiator guard, Shorty adjustable levers, Fork stem RAM mount/USB port, red/black alum grips, 300R Rear tire hugger, Rear seat cowl, LED engine/undertail lights w/RF remote, LED position light, Sea level, city commuter, spirited rider, turn my own wrenches.
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