F4 R312 Rear Hub Spindle - MVAgusta.net
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post #1 of 20 (permalink) Old 05-24-2019, 01:19 PM Thread Starter
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F4 R312 Rear Hub Spindle

Any Ideas, I can't get the rear hub spindle out to replace the bearings. I've removed left side spindle nut and sprocket carrier so I've got the bare spindle on the left side, I've also removed the rear brake caliper. I haven't removed the wheel because you don't need to in order to get the spindle out.. But it won't shift, the manual shows the mechanic just slide it out with his hand, bike is MY2008 and this is the 1st time the hub has been touched. It seems to be seized in the bearings. What should I try??
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post #2 of 20 (permalink) Old 05-24-2019, 01:40 PM
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You have to take the wheel off. !!!! Once you have taken everything off the axle (sprocket carrier, wheel, rear brake) then you can slide it out....

Sometimes a little stiff. Use a piece of wood and a heavy mallet.

I used to be fast....now I just dream about it.
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post #3 of 20 (permalink) Old 05-24-2019, 03:23 PM Thread Starter
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But why do you have to take the wheel off... there isn't anything behind the wheel that would hinder this, or is there.... only apart from the fact it makes it easier to handle.

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post #4 of 20 (permalink) Old 05-24-2019, 04:55 PM
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Quote:
Originally Posted by caveman View Post
But why do you have to take the wheel off... there isn't anything behind the wheel that would hinder this, or is there.... only apart from the fact it makes it easier to handle.
Simple it decreases the inertia of the axle so you can move it
Sometimes you have a rusted in axle
Sometimes you have a clean axle
And sometimes you have to wail on it with a 4lb single Jack and a protector for the end of the axle
Loosely tie the axle to the swing arm........they have been known to fly across the shop
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post #5 of 20 (permalink) Old 05-24-2019, 05:32 PM
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Take the wheel off and you will see why you cant get it out
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post #6 of 20 (permalink) Old 05-24-2019, 05:41 PM
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I saw 2 Florida bikes with galvanized axles. Corrosion?

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post #7 of 20 (permalink) Old 05-24-2019, 11:39 PM
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You don't have to take the wheel off,but it's a lot easier if you do.
Like the boys have said piece of wood to protect the thead on the axle and a large hammer and give it a good wack.It will move.


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post #8 of 20 (permalink) Old 05-25-2019, 03:21 AM Thread Starter
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I have been doing exactly what you said, block of wood to protect the spindle, large hammer, I got it to move about 1/2" (I tend to work in metric but I know you guys across the pond use US/Imperial) but I've still got the wheel attached to the spindle..
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post #9 of 20 (permalink) Old 05-25-2019, 03:24 AM Thread Starter
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Are you trying to tell me something!! Is there a hidden bolt/screw/pin/circlip etc..
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post #10 of 20 (permalink) Old 05-25-2019, 06:38 AM
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The wheel is placing a lot of side loads on the axle..... and it's just one nut. Take it off.

I used to be fast....now I just dream about it.
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