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FJR Motorcycle Forums
Technical & Mechanical Problems
Front wheel bearing failure
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<blockquote data-quote="flash12" data-source="post: 449257" data-attributes="member: 15065"><p>When I tried to balance a new tire on the front (8000 miles), the bearings would not turn freely. I think yamaha has a problem with either the front wheel machining or the length of the spacer. I just pushed one bearing out slightly and the bearings were very free. I think they were loaded axially either because the spacer was too short or the cobore for the bearings were not deep enough. When I retorqued the axle the bearings got very tight again. This, I believe would lead to premature failure. Ball bearings are not ment to take high axial loads. With the calipers off, try spinning the front wheel with the axle torqued. If there is considerable drag, then I believe you will have eventual failure.</p><p></p><p>flash12</p></blockquote><p></p>
[QUOTE="flash12, post: 449257, member: 15065"] When I tried to balance a new tire on the front (8000 miles), the bearings would not turn freely. I think yamaha has a problem with either the front wheel machining or the length of the spacer. I just pushed one bearing out slightly and the bearings were very free. I think they were loaded axially either because the spacer was too short or the cobore for the bearings were not deep enough. When I retorqued the axle the bearings got very tight again. This, I believe would lead to premature failure. Ball bearings are not ment to take high axial loads. With the calipers off, try spinning the front wheel with the axle torqued. If there is considerable drag, then I believe you will have eventual failure. flash12 [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Front wheel bearing failure
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