Speedometer not accurate

dtep955

Standard Bore
Joined
Feb 7, 2022
Messages
3
Ride
2013 Rocket 3 Touring
Hello you all, I purchased a 2013 rocket 3 touring a couple months ago, the question I have is can the speedometer read out be adjusted, my bike is always five miles per hour faster than my actual speed, not a huge problem, I just drive five over the limit and I am going the proper speed, would be nice if it could be adjusted to read the proper amount.
Thank You
Doug
 
I have been told that it is set from the factory to show 8% more than the actual speed when using the tires it comes with from the factory.
 
You can adjust it with TuneECU, I think it's about a $15 download for Android, and you have to buy a $20 cable, but it allows you to edit the programming on your ECU, all kinds of stuff
 
Tripps said:
You can adjust it with TuneECU, I think it's about a $15 download for Android, and you have to buy a $20 cable, but it allows you to edit the programming on your ECU, all kinds of stuff
Click to expand...
Sorry it took so long to reply, Thanks for the info on tuneECU program, looked it up and it is now only available for android phones and tablets, I'm not sure if I will go that route, may just live with it, I talked to My dealers service guy's and they seem to be interested in it and wanted Me to get them some info on the program, the service tech said he did not know of any way to adjust the speedometer using the Triumph diagnostic tool, maybe there is and he just don't know how?
 
I recently had work performed including a dynotune. They recalibrated the speedo readout as part of the work they performed.
 
Ransom said:
Did it affect the odometer?
Click to expand...
If the speedo was overstating the speed, I expect it was also overstating distance covered. On that basis I would expect odometer and speed to be now corrected
 
marx said:
If the speedo was overstating the speed, I expect it was also overstating distance covered. On that basis I would expect odometer and speed to be now corrected
Click to expand...

I don't think that is correct.
 
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