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Offline tdragger

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Odometer reading slow
« on: May 24, 2016, 07:16:34 pm »
I'd say that this is a first for me.  I just completed a Bun Burner Gold this past weekend and was surprised by how much the odometer was less than the GPS miles.  I've never had a bike that read less.  Most of the time the reading is higher.  Since I do a lot of long distance (Iron Butt Association) rides, I need the ODO to be more accurate.

For this ride GPS showed 1572.2 where the bike showed only 1558.4.  It may not sound like much but it can be critical in an IBA ride.

Can the ODO be adjusted via the DealerTool program?





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Offline thumper

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Re: Odometer reading slow
« Reply #1 on: May 24, 2016, 07:21:38 pm »
I don't know if the Dealer Tool will work for what you've asked, but if my math is right, the different of 14 miles over a 1,600 mile reading makes your Trophy's odometer 99.12% accurate.       

Are odometers usually more accurate than that?    :440:
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Offline tdragger

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Re: Odometer reading slow
« Reply #2 on: May 24, 2016, 07:36:58 pm »
I would agree that it is pretty accurate but I've never had one read slow.  It means that if I'm on an IBA run that requires 1,000 miles, I have to ride at least another 8 miles or so just to get the counter over 1k.  I'd rather it read 1% fast than 1% slow.
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Offline Coconut

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Re: Odometer reading slow
« Reply #3 on: May 24, 2016, 09:04:47 pm »
DealerTool can't be used to calibrate / re-calibrate the Odometer, ( or the Speedometer ),
and I doubt the Triumph Dealer diagnostic equipment can either !


... and I presume "Slow" = Short / "Fast" = Long for the Odometer ?


« Last Edit: May 24, 2016, 09:06:39 pm by Coconut »

Offline tdragger

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Re: Odometer reading slow
« Reply #4 on: May 24, 2016, 09:19:52 pm »
Thanks Mr. C.  On my Rocket you can adjust the speedo/odo with TuneECU but TuneECU is not supported with the Trophy.

I was hoping that DealerTool could make the adjustment.
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Offline DonTom

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Re: Odometer reading slow
« Reply #5 on: May 25, 2016, 03:00:53 am »
*Originally Posted by tdragger [+]
I'd say that this is a first for me.  I just completed a Bun Burner Gold this past weekend and was surprised by how much the odometer was less than the GPS miles.  I've never had a bike that read less.  Most of the time the reading is higher.  Since I do a lot of long distance (Iron Butt Association) rides, I need the ODO to be more accurate.

For this ride GPS showed 1572.2 where the bike showed only 1558.4.  It may not sound like much but it can be critical in an IBA ride.

Can the ODO be adjusted via the DealerTool program?
I think you will find both are accurate.  GPS works direct, point to point and is near 100% accurate. The Bike's odometer takes curves and such into consideration where the GPS does not (regardless of MPH shown on you inaccurate speedometer).  But usually, the GPS will show the shorter distance but even that depends on variables as the point to point even changes in curves and such.

GPS works differently than your odometer. Expect the odometer on the bike is more accurate than the GPS for actual distance on a road.

If you want to compare both, you need to ride in a perfectly straight line between two points. Then both readings should match.

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Offline 2slowTrophy

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Re: Odometer reading slow
« Reply #6 on: May 26, 2016, 08:02:45 pm »
So if it show less miles than you have gone you will never come up short mileage on a IBA run.
You will be safe with more miles showing on Google Maps than on your odometer.
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Offline tdragger

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Re: Odometer reading slow
« Reply #7 on: May 26, 2016, 09:01:19 pm »
true. 
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