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speedometer calibration

1343 Views 4 Replies 4 Participants Last post by  Dawagner
does anyone know how to adjust or modify the speedo drive gear on a xr 600 so when using a smaller 17 inch wheel the speed reads correct?right now i have the trailtech speedo on it but i want to put the stock one back on but to read the right speed.thanks
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On my xr600 the standard speedo is in km per hour so i dont know if this will help, but with 17inch front rim,with a 120/70 tyre ,the speed it reads in km is roughly double the actual speed in mph, i.e 60kmph is 30mph ,80kmph is 40mph and so on.
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