The rear hub on my son's CR80 is worn on the left side where the bearing seats. It's a 14" wheel. Thought it was just a worn bearing but when I went to replace it the old one it came out with very little effort. I was then able to "seat" a new bearing by basically pushing it in with my fingers.
The bearing seat in the hub is out of tolerence. It's still "round" and not washed out, however, even with the new bearings in and the wheel mounted I get side-to-side play. Not a whole bunch but more than I deem acceptable.
I hate thinking of spending $100 - $200 for a used wheel on a bike that is worth around $900. The right side of the hub and the rest of the wheel is in good shape. The worn seat on the left side is physically smaller than the right side and I figure this is why this seat wore quicker than the left. The left bearing seats fine, nice and tight.
Is there any way to get the seat repaired? I was wondering if a machine shop could build it up and then machine it back down to spec size to do away with the "loose" fit of the bearing.
I've been out of work for over a year and really don't look forward to spending much on the bike, however, the boy really enjoys riding. I'm hesitant to let him ride it the way it is as I'm afraid it's going to make all the other components wear as a result (i.e., axle, swingarm, rotor, sprockets, caliper, chain, etc.). If it throws a chain it could destroy the cases.
Your thoughts on a way to "rebuild" the bearing seat would be appreciated or should I bite the bullet and spend 20% of the bike's value on a complete wheel. I been looking and found that used 14" rear wheels are hard to come by.
It should mention, the amount of "play" is not really extreme, feels like worn bearings with just a little play. What are your thoughts on running it like it is? When I replace the left bearing I gets substantially better but the bearing wears loose after 5 - 6 hours due to the play in the seat. I could just keep replacing the bearing every 5 - 6 hours as they are only about $4.00.Hate to compound the problem. The bike is only ridden on an "easy" track with no jumps but it is pretty rough.
Rick
The bearing seat in the hub is out of tolerence. It's still "round" and not washed out, however, even with the new bearings in and the wheel mounted I get side-to-side play. Not a whole bunch but more than I deem acceptable.
I hate thinking of spending $100 - $200 for a used wheel on a bike that is worth around $900. The right side of the hub and the rest of the wheel is in good shape. The worn seat on the left side is physically smaller than the right side and I figure this is why this seat wore quicker than the left. The left bearing seats fine, nice and tight.
Is there any way to get the seat repaired? I was wondering if a machine shop could build it up and then machine it back down to spec size to do away with the "loose" fit of the bearing.
I've been out of work for over a year and really don't look forward to spending much on the bike, however, the boy really enjoys riding. I'm hesitant to let him ride it the way it is as I'm afraid it's going to make all the other components wear as a result (i.e., axle, swingarm, rotor, sprockets, caliper, chain, etc.). If it throws a chain it could destroy the cases.
Your thoughts on a way to "rebuild" the bearing seat would be appreciated or should I bite the bullet and spend 20% of the bike's value on a complete wheel. I been looking and found that used 14" rear wheels are hard to come by.
It should mention, the amount of "play" is not really extreme, feels like worn bearings with just a little play. What are your thoughts on running it like it is? When I replace the left bearing I gets substantially better but the bearing wears loose after 5 - 6 hours due to the play in the seat. I could just keep replacing the bearing every 5 - 6 hours as they are only about $4.00.Hate to compound the problem. The bike is only ridden on an "easy" track with no jumps but it is pretty rough.
Rick
