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Old 09-20-2014, 10:46 AM
crassius crassius is offline
Motorized Bicycle Elite Member
Join Date: Sep 2012
Location: USA
Posts: 2,784
Default Re: Motorized Bicycle Take a Tip...Leave a Tip

nothing really holds it except the tight fit of the bearings (until it moves so far that something bumps into something else)

I've seen engines that are not all that tight here, so a washer was added between the drive sprocket & the bearing to keep chain from chewing on the case & hold the clutch gears fairly even with each other.

I'd first try putting a socket on the clutch mounting nut & giving it a solid hit with a large hammer to see if it will move back toward the drive side - if it does, then keep checking that it doesn't drift back by itself over time (hopefully, it will stay where you put it).
Sometimes I sets and thinks, sometimes I jes sets.
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