GPS vs SPEEDO - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 31 Old 10-19-2019, 07:15 PM Thread Starter
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GPS vs SPEEDO

Just wondering what your thoughts are on which are more accurate,
My GPS or my speedo on my Wee?
My speed on my GPS is about 10 to 12 km per hour lower then my Speedo. It also seems the faster I go the greater the separation.
Anyone have similar results?



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post #2 of 31 Old 10-19-2019, 07:38 PM
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gps is within 0.5%± , 99.99% of the time. Our speedos have built in error, always reading about 8% high

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post #3 of 31 Old 10-19-2019, 07:43 PM
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Quote:
Originally Posted by OydnaR View Post
gps is within 0.5%± , 99.99% of the time. Our speedos have built in error, always reading about 8% high
It's been like this on every bike I've owned.

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post #4 of 31 Old 10-19-2019, 09:06 PM
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Always trust the GPS reading. I understand that vehicle manufacturers are obliged to ensure that they never understate your speed, and so they make sure of it. My DL650 consistently reads 108km/hr at a true GPS 100km/hr
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post #5 of 31 Old 10-19-2019, 09:07 PM
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I only look at the GPS for speed.....never the spedo that maintains a neg 9 mph difference.

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post #6 of 31 Old 10-19-2019, 10:05 PM
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Quote:
Originally Posted by OydnaR View Post
gps is within 0.5%± , 99.99% of the time. Our speedos have built in error, always reading about 8% high
Same here.

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post #7 of 31 Old 10-19-2019, 10:17 PM
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Since I added the speedodrd the speedo matches the gps even with my regearing.

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post #8 of 31 Old 10-19-2019, 11:13 PM
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My two garmins indicate a slight difference but are more accurate than the speedo. I've got a ancient III plus that has neat features and a 2455 that tells me where the POI's are. and it takes updates to the maps the III plus can't do.
I never look at the speedo anymore.
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post #9 of 31 Old 10-20-2019, 09:45 AM
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Originally Posted by oldjeep View Post
Since I added the speedodrd the speedo matches the gps even with my regearing.
What about the odometer? Is that correct also? I've seen reports that if you correct the speedo, then the odo is off. Can't have both correct.
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post #10 of 31 Old 10-20-2019, 10:22 AM
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Originally Posted by PineLaneRider View Post
What about the odometer? Is that correct also? I've seen reports that if you correct the speedo, then the odo is off. Can't have both correct.
I assume it is off, haven't checked. I'd rather have an accurate speedometer.

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