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Speedometer Calibration

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Old Jun 10, 2007 | 10:38 AM
  #1  
Jughugger's Avatar
Jughugger
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From: Louisiana
Default Speedometer Calibration

I've recently installed the SE 180 rear tire on my 06 Wide Glide, and was told by a riding buddy that my speedo was short 3-5 mph compared to his 06 Ultra set in cruise control mode. My speedo would show 50 mph while his was showing 55.

Does this sound right? Can I have the speedo recalibrated by the stealer? What are the charges involved?

Jug
 
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Old Jun 10, 2007 | 10:50 AM
  #2  
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man4mopar
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Default RE: Speedometer Calibration

Someone with a SERT could tell you if the speed sensor frequency can be changed. My guess is it can be done easily. I have no idea what they would charge. If they have a DYNO with a speed readout one would think they could have it done in 20 minutes tops. Hell they may even know the frequency needed from past installs and be a 5 minute job.
All that said one would think they would include that with a 180 install. And i haven't read it needing to be done. Maybe your friends bike is off not yours? I calibrated mine when I went to a 170/60 tire. But I have a DTT TCFI 2ECU.
 
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Old Jun 10, 2007 | 11:08 AM
  #3  
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Default RE: Speedometer Calibration

Thanks man,

I thought about that too. Maybe his reading is wrong! Anyway, the stealer never mentioned anything about re-calibrating when I asked about the installing the 180. I did the install myself.

I also am running a PCIII rather than the SERT. I guess I need to find a trooper buddy to actually clock me, and take it from there. Maybe an S&S calibration module is on the horizon.
 
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Old Jun 10, 2007 | 03:35 PM
  #4  
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07fxdb
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Default RE: Speedometer Calibration

borrow someone's GPS - some of them will show speed
 
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