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Replacing rear axle bearings

This is a discussion on Replacing rear axle bearings within the Yamaha YFM660R Raptor (2001-2005) forums, part of the Performance /Technical category; How do I best remove the rear axle bearing from the bearing carrier. I see what I think everyone refers to as "the spacer", about ...


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Old 06-28-2008, 08:09 PM   #1
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Default Replacing rear axle bearings

How do I best remove the rear axle bearing from the bearing carrier. I see what I think everyone refers to as "the spacer", about 6 inches long, between the two. It turns with the bearings. I've read in other threads to use a press and push them out. I'm cautious about this because there must be a maximum depth to which you can push a bearing in from each side? I'm just taking caution before I make another expensive mistake. Anybody an expert at this?
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Old 06-28-2008, 09:36 PM   #2
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Just pry out the seals with a screwdriver and move the spacer to one side and use a long punch to drive out the bearings on the inner race. When installing the new bearings, drive them in just enough so the outer seals fit flush with the carrier. I neverseize everything during install and pack the housing full of grease to prevent corrision. You need a BIG socket or spacer to fit the race to drive the bearings in so no damage will occur.
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Old 06-29-2008, 12:34 PM   #3
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remove seals heat up housing around
bearings and smack it on a piece of
wood and the bearings will fall out
hope this helps
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Old 06-29-2008, 01:33 PM   #4
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http://www.bluetraxx.com/tech/axle_bearing.htm
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Old 06-30-2008, 04:02 AM   #5
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I used an old bearing press at an arbor equipment company to get the bearings in but if u want them out, you can use a sharp punch to get the old bearings out. Never tried the socket way.. but sounds like a good idea.
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Old 06-30-2008, 04:53 PM   #6
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Thanx everybody. I used motorhead's suggestions most closely. The tech thread was a bit incomplete when it came to the spacer. Not sure if the banshee has the spacer or not. The spacer took a little more effort than I anticipated, but once it was free enough to push aside, then I used a brass drift to bang the bearings out. Bangin' on the inner race was okay cuz i'm not gonna reuse them anyway. I don't like the heat idea just because the bearing carrier is cast aluminum and I'm sure the material density is not evenly distributed. Makes me worry about distorting the shape. I know you didn't say make it glow, but it bothers me none the less. Anyhow i got them out. Not that difficult with the spacer pushed aside.
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Old 07-01-2008, 01:10 PM   #7
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red rockers method works pretty good! just enough heat to make the metal expand and pop them out
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