Tight Chain / Loose Chain | Page 3 | GTAMotorcycle.com

Tight Chain / Loose Chain

definitive way to check/correct runout would be with a dial indicator
or in an industrial setting, there are laser devices and targets to put on the rotating member

OP, if you can borrow a dial indicator and get the chain off
rear tire in the air, indicator on that machined shoulder close to the teeth
rotate tire by hand and have a marker or something handy to mark the tight spots
try loosening that circle nuts, see if you have enough movement on the stud to correct the runout

and anyone claiming a sprocket will not true itself while rotating
I'm going to say has never had much to do with conveyor systems
we all have ideas, it's a lot better than having none
 
If that was my only motorcycle I would have had it fixed by now ;)
 

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