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Dirt Bike Brands - Other
Small end bearing cracked
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[QUOTE="SULLY, post: 1054388, member: 30208"] Just in the middle of doing the top end on my son's RM125 O3, and when I removed the small end a couple of the needle rollers fell out of the cage. On closer inspection there are several cracks around the outer edge of the bearing (allowing the needles room to fall out). It hasn't been changed since last year (complete Vertex piston kit), but hasn't had many hours use. All other things look ok, plug, burn pattern, big end play etc...all Ok. I've not seen this before, any tips on what may have caused it? [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Small end bearing cracked
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