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Old October 27th, 2014, 03:15 AM   #49
ninja250r81
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Name: scott
Location: australia
Join Date: Jan 2012

Motorcycle(s): 2012 ninja 250r se

Posts: 435
aussie std 14/43 (3.07)

changed to 15/43 (2.87) over a year ago and not going back.

Thinking of changing to 15/40 (2.67) setup

This might help

http://www.jtsprockets.com/fileadmin...tgearratio.pdf
http://www.jtsprockets.com/catalogue/model/924
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