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Hi all. Anyone try using a resistor to fix the speedometer error? Similar to the gas gauge fix? not sure if it is the same principle.
 

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Changing resistance will not fix the speedo issue. The problem is the pulses per mile on the speed sensor does not match the speedo reading. I installed a baron front od pulley and a 170-80-16 (taller) rear tire. The speedo is nearly spot-on, but my odometer reads 10% slow

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Changing resistance will not fix the speedo issue. The problem is the pulses per mile on the speed sensor does not match the speedo reading. I installed a baron front od pulley and a 170-80-16 (taller) rear tire. The speedo is nearly spot-on, but my odometer reads 10% slow

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I assume you mean 10% low(as in 10% less miles traveled)...not slow.

Not surprising, considering you apparently increased the diameter of the tire...


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Changing resistance will not fix the speedo issue. The problem is the pulses per mile on the speed sensor does not match the speedo reading. I installed a baron front od pulley and a 170-80-16 (taller) rear tire. The speedo is nearly spot-on, but my odometer reads 10% slow

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Did you change the wheel size also.The 900's come with a 15 inch rear wheel and not a 16.
 

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No change of rim size, just a bad memory. Lol. I'm running a 170-80-15 commander II

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With the larger front pulley, that will throw it off even more. When I first got the bike stock the speedo read 6mph fast. The odometer was correct, mile marker to mile marker. After installing the pulley and taller tire. The speedo is fairly close (accuracy check courtesy of the grundy county sheriff's dept and the iowa hwy patrol), but mile marker to mile marker the odometer clicks off .9 every time

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A thought just occurred to me...if you have a taller (read: larger diameter) tire, does your bike have ABS? If so a change could make a difference on how the ABS reacts, or it might throw an error light/code.

Since the ABS uses individual wheel speed sensors this might be an issue, or not depending on system tolerances...just my $.02.

Ride safe!


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I'm not sure about the newer models, but the 2010 doesn't have abs. You are correct that changing tire size on a bike with abs, especially only one tire. Would not be a good idea.

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