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Author Topic: Speedo and odometer - How accurate is yours  (Read 2169 times)

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bribe36

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Speedo and odometer - How accurate is yours
« on: September 06, 2011, 04:41:43 PM »
I've long suspected that the speedometer on my 09 SERG was off. When comparing the speed on the speedo to my GPS there is a difference of about 8 km, bike shows I'm going faster than the GPS. This past weekend I was riding with a buddy, we both filled up at the same time and rode together to the next gas station. My bike displayed that I had gone 240 km his bike 221 km. Anyone else discovered this?
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2harleys

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Re: Speedo and odometer - How accurate is yours
« Reply #1 on: September 06, 2011, 04:45:51 PM »
Exactly the same experience. Two identical bikes side by side and GPS are NEVER the same.
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LarryB

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Re: Speedo and odometer - How accurate is yours
« Reply #2 on: September 06, 2011, 04:55:11 PM »
they usually run 3-4 mph off. thats the beauty of TTS Mastertune you can adjust
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Ghost__Rider

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Re: Speedo and odometer - How accurate is yours
« Reply #3 on: September 06, 2011, 05:44:53 PM »
Mine is dead on with a gps, Thanks to my TTS mastertuner.............
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North Georgia Hawg

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Re: Speedo and odometer - How accurate is yours
« Reply #4 on: September 06, 2011, 06:30:32 PM »
Mine is WAAAAAY off... it keeps saying I'm going 100 MPH...  :orange: :bananarock: :orange: :bananarock: :orange:
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2harleys

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Re: Speedo and odometer - How accurate is yours
« Reply #5 on: September 06, 2011, 06:48:37 PM »
Quote from: NorthGeorgiaHawg on September 06, 2011, 06:30:32 PM
Mine is WAAAAAY off... it keeps saying I'm going 100 MPH...  :orange: :bananarock: :orange: :bananarock: :orange:

Wish I would have thought of that excuse going to Sturgis this year. Trooper was nice though  ---  just gave me a warning.
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mark

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Re: Speedo and odometer - How accurate is yours
« Reply #6 on: September 06, 2011, 07:44:24 PM »
bike speedo shows 2 mph faster then GPS.
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sadunbar

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Re: Speedo and odometer - How accurate is yours
« Reply #7 on: September 06, 2011, 07:47:40 PM »
GPS shows 73mph...Speedo shows 75mph...


Odometer is accurate.
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Re: Speedo and odometer - How accurate is yours
« Reply #8 on: September 06, 2011, 07:56:07 PM »
Quote from: sadunbar on September 06, 2011, 07:47:40 PM
GPS shows 73mph...Speedo shows 75mph...


Odometer is accurate.
'09 SERG
Same on the od. Speedo is very close too. Speedo 75 = GPS 72/73 over a distance.
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Mano

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Re: Speedo and odometer - How accurate is yours
« Reply #9 on: September 06, 2011, 08:50:28 PM »
My speedo is about 3 to 4 KM more than the GPS.
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bigdave110

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Re: Speedo and odometer - How accurate is yours
« Reply #10 on: September 06, 2011, 09:12:26 PM »
Mine is about 3 miles over my GPS.
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Cosmic Charlie

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Re: Speedo and odometer - How accurate is yours
« Reply #11 on: September 06, 2011, 09:53:26 PM »
Gliding along in 6th gear, my speedo read 121 mph and my Garmin read (recorded) 118 mph, and my tach read 4300 rpm's (+-), and that was it ....
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bribe36

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Re: Speedo and odometer - How accurate is yours
« Reply #12 on: September 06, 2011, 11:00:22 PM »
I had to take my bike in for service today for an unrelated problem. I mentioned the discrepancy between the GPS and speedo and the service girl wasn't surprised. She said they had no way to calibrate the speedo. Suggested I either learn to live with it (after two years I guess I already have) or I could buy a new one.
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Re: Speedo and odometer - How accurate is yours
« Reply #13 on: September 06, 2011, 11:08:52 PM »
Quote from: bribe36 on September 06, 2011, 11:00:22 PM
I had to take my bike in for service today for an unrelated problem. I mentioned the discrepancy between the GPS and speedo and the service girl wasn't surprised. She said they had no way to calibrate the speedo. Suggested I either learn to live with it (after two years I guess I already have) or I could buy a new one.

Buy a new one? A new speedo, or a new BIKE?  :inquisitive:
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bribe36

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Re: Speedo and odometer - How accurate is yours
« Reply #14 on: September 06, 2011, 11:46:21 PM »
Quote from: NorthGeorgiaHawg on September 06, 2011, 11:08:52 PM
Buy a new one? A new speedo, or a new BIKE?  :inquisitive:

HAHA that's what I asked the service girl. She meant speedo, but if could convince the wife the only way to get an accurate speedo was to buy a new bike I might try that.
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