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Offline Fireman73163

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Speedometer calibration ?
« on: October 27, 2013, 08:53:11 AM »
I have noticed my speedometer reads 3mph fast compared to my GPS...does anyone know if this is something the dealer can adjust ?

Offline Coconut

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Re: Speedometer calibration ?
« Reply #1 on: October 27, 2013, 09:53:50 AM »
That's quite usual, it "can" be adjusted, but take a look here first
where the subject has been discussed extensively :

SPEEDO CHECK


Offline janfmiller

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Re: Speedometer calibration ?
« Reply #2 on: November 01, 2013, 01:17:14 PM »
I brought this up, tech said it can be but they are not allowed...  mentioned the 3rd party software, but appears that's not applicable to the TTSE yet....
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Offline seadog

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Re: Speedometer calibration ?
« Reply #3 on: November 01, 2013, 02:49:56 PM »
Just a question in general. If you get a new car do you check and recheck your speedo against the sat Nav.

What is the difference with a bike?

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Offline Fireman73163

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Re: Speedometer calibration ?
« Reply #4 on: November 01, 2013, 04:57:03 PM »
The odd thing I have found is that it is accurate up to about 35 mph and after that the difference grows as your speed increases...so what that tells me is they can make it accurate to whatever point they want.

Offline DonTom

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Re: Speedometer calibration ?
« Reply #5 on: November 16, 2013, 09:51:12 PM »
*Originally Posted by Fireman73163 [+]
The odd thing I have found is that it is accurate up to about 35 mph and after that the difference grows as your speed increases...so what that tells me is they can make it accurate to whatever point they want.
In the USA it is federal law that a speedometer can not read low on a new bike. Because of this, they make sure they read a few MPH high. So the reading you're getting is to be expected. Don't even think about trying to change it, just accept that's the way it is--on ANY new cycle in the USA.

They read high in case there is a tire change or something that can effect the reading. They try to make sure it can never read low, no matter what is done within reason.

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Offline Verdun95

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Re: Speedometer calibration ?
« Reply #6 on: November 16, 2013, 10:19:17 PM »
*Originally Posted by Fireman73163 [+]
The odd thing I have found is that it is accurate up to about 35 mph and after that the difference grows as your speed increases...so what that tells me is they can make it accurate to whatever point they want.


not necessarily, maybe just a question of ratio: don't notice it up to a certain point, more visible above....
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