Hope I'm wrong.....

I wouldn't think 525 sprockets would be a stocked item..
exspecly for a XT660 , not a popular bike at the best of
times..

might be worth looking into...
I think I remember reading.. that the TDM850 525 rear sprocket fits
or can be made to fit...





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__________________
Harley Davidson..
The easyest way to turn gasoline into noise with out the side efect of horse power...