I would take bushings over bearings any day of the week. As xlite said, the bearings go boom, the bushings just rattle until you can't stand it any more. I have a thatsdax "65cc" that he only sold for a little while and it has bearings...haven't run it yet, but I have no confidence in it at all due to all I have read about the bearing engines.

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If it ain't broke, and you mess with it long enough, it will be.