I screwed something. Help!


9 replies to this topic
  • kawirider

Posted March 28, 2006 - 04:15 PM

#1

Well, i found out 2 weeks ago that my rear bearings needed to be replaced. I have not ridden it since I found out that the bearings were messed up. Well, today since I had some free time and since I had the parts I thought that I would replace the bearings myself. I pounded on the axle for 15 minutes before I gave up. The axle simply will not budge. It did not move even a milimeter. What did I do and what do I have to do to fix it? I may have ridden it for a while on bad bearings. I am not really sure about that though.

  • grayracer513

Posted March 28, 2006 - 04:18 PM

#2

Are we talking about the rear axle, or the swing arm pivot?

  • kawirider

Posted March 28, 2006 - 04:25 PM

#3

rear axle. How would you even tell if the swing arm pivot bearing was going bad?

  • NYMXer

Posted March 28, 2006 - 05:16 PM

#4

Take as much as you can apart and spray penetrating oil into the hub/axle. Let it soak over night. Put a sacrifical nut on the end of the axle and place a piece of wood over it and hit it w/ a dead blow hammer until that sucker breaks free. :thumbsup:

  • 02YZ426

Posted March 28, 2006 - 05:41 PM

#5

Maybe the bearings have spun a groove into the axle, and now when you try to hammer it out the bearing is hung up on that groove. Try some penetrating fluid first and hopefully that will help.. You might have to use a good brass drift and put your back into your swing.

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  • new2blu

Posted March 28, 2006 - 05:58 PM

#6

What size (ounce) hammer did you use? I assume that you were driving the rear axle out from the right side to the left? Use a mini sledge hammer and a brass punch--put the brass punch in the center "hole" of the axle an pound away. It should break loose pretty soon.

  • new2blu

Posted March 28, 2006 - 05:58 PM

#7

What size (ounce) hammer did you use? I assume that you were driving the rear axle out from the right side to the left? Use a mini sledge hammer and a brass punch--put the brass punch in the center "hole" of the axle an pound away. It should break loose pretty soon.

  • WR450F_RDR

Posted March 28, 2006 - 06:34 PM

#8

Something I have found useful is to take an old hard plastic screwdriver that is bigger than the hole in the end of the axle but not so big that it wont go thru the bearing, slide it into the hole in the axle and pound away. I know when I replaced mine the axle was rusted to the bearing. a bit of bad maintanance on my part, live and learn.

  • YubaRider

Posted March 28, 2006 - 06:43 PM

#9

Lay the bike down and place two 4x4 blocks between the swing arm and the ground with room for the bolt to move between them. Soak the bolt with penetrating fluid... Use the biggest hammer you have and place a board over the bolt and pound away. You should expect to replace the bolt once you get it out, but you don't want to mushroom the end of it. You may need to flip the bike over and soak both sides with penetrating fluid. Once the end works it's way into the hub grab a punch or old screw drive and pound it through.
I've used a roto-hammer which works as a last option...

  • Raven1911

Posted March 28, 2006 - 07:05 PM

#10

Well, i found out 2 weeks ago that my rear bearings needed to be replaced. I have not ridden it since I found out that the bearings were messed up. Well, today since I had some free time and since I had the parts I thought that I would replace the bearings myself. I pounded on the axle for 15 minutes before I gave up. The axle simply will not budge. It did not move even a milimeter. What did I do and what do I have to do to fix it? I may have ridden it for a while on bad bearings. I am not really sure about that though.



Have you ever regreased or checked them since owning the bike?? This is your lesson learned if you haven't. Regrease every year or 6 months if you ride in harsh environments. :thumbsup: I don't even want to know about your swingarm pivot bolt :thumbsup:





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