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Old 06-21-2013, 10:59 AM
crassius crassius is offline
Motorized Bicycle Elite Member
Join Date: Sep 2012
Location: USA
Posts: 2,787
Default Re: Parts identifcation please

Yes, that drive gear sits on a tapered shaft with a woodruff key. I've seen the key installed a bit off by the factory causing the gear to crack, and I've seen it pressed on off-center on the taper so that it wobbles. You need the extractor tool to get it off.

Oh, just recalled that one of the seller's sites has that diagram with a key that names all those numbered parts, but don't recall which one.
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