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Author Topic: Speedometer accurracy?  (Read 1451 times)

mrmike

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Speedometer accurracy?
« on: May 01, 2013, 06:55:11 PM »
  I now have about 300 miles on my GTI and love it. The question is. How accurate is the factory speedometer. I don't have a GPS to check mine and was wondering if anyone who has one has verified theirs? If my speedometer and odometer are correct, I got about 60mpg with my first fill up. Does this sound about right.
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Blue '23 People S 150i ABS  Moto Discovery GPS bar, Shad SH33 top case, Iridium spark plug, Black reflective graphics, Battery Tender ring terminal cable, LED tag light.         
Past rides- '73 Honda 450, '00 Harley Softail Deuce, '10 Kymco People 150, '12 Kymco GTI 300, '21 Kymco X-Town 300i ABS

de dee

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Re: Speedometer accurracy?
« Reply #1 on: May 01, 2013, 07:25:08 PM »
  your right in the ball park,.  anywhere from 55 to 70 mph. it will get better as you put miles on it, depends on load and the speed you go,.     I get in the 70.s if I stay off of the super slabs,  keep it around 60 mph. and you will get good mpg.    what is your rpm at 60 mph?  mine is 6,000 rpm.  I fill up gas around 300 km. takes about 11 litres or  200 miles if I take it easy,. 
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Urbestfriend

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Re: Speedometer accurracy?
« Reply #2 on: May 01, 2013, 09:15:25 PM »
There are posts on this forum on this subject.  You could be 10% off.  Minor adjustment to the pick-up sensor on my
Xciting did note some improvement  (Maybe off by 5 mph.)  On Saturday I rode to Indianapolis and got behind a friend going to the same venue.  My GV said 70-71.  When I saw him later he said his Buick Speedometer indicated 61-62.  Keep your
eyes peeled for a GPS.  Older models drop in price,  but here's the reason.   If you have any problems where you'd need
to call AAA or a tow service.  The GPS will tell you where you are without walking to the nearest address.
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mrmike

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Re: Speedometer accurracy?
« Reply #3 on: May 03, 2013, 11:49:43 PM »
  Just for general knowledge. I installed a second heavy duty 12 volt accessory plug on my scoot for my GPS. I went out tonight and the factory speedometer seems to be about 2mph optimistic up to at least 65. Speedometer 65=GPS 63, Speedometer 60=GPS 58, Speedometer 40= GPS 39. Close enough for me.
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Blue '23 People S 150i ABS  Moto Discovery GPS bar, Shad SH33 top case, Iridium spark plug, Black reflective graphics, Battery Tender ring terminal cable, LED tag light.         
Past rides- '73 Honda 450, '00 Harley Softail Deuce, '10 Kymco People 150, '12 Kymco GTI 300, '21 Kymco X-Town 300i ABS

Scootaloot

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Re: Speedometer accurracy?
« Reply #4 on: May 04, 2013, 12:20:54 AM »
That is what my scoot does as well. Plus 2 throughout which for a scoot is very good. My old BV as well as the new BV(or so I've read) is off by 10% throughout which was a hassle as you had to keep recalculating,"Wait that's my GPS talking." :)
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MotoRandy123

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Re: Speedometer accurracy?
« Reply #5 on: May 04, 2013, 12:14:22 PM »
What I can never figure out is that your speedo will be off by 10% but the ticket
for speeding says the same as the speedo read....
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2012 Yager GT 200I - Southern NH

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