Inaccurate speedos in Canada - Page 5 - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #41 of 43 (permalink) Old 08-14-2019, 07:19 AM
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Just an FYI for those thinking of a Speedo Healer on Gen3 bikes, from an experience up here, you need two Speedo Healers because Gen3 uses both front and rear sensors for speed signals due to us having cruise and traction control. With the two installed you are likely to have issues with cruise not working properly, or not useable in anything but 5th and 6th, if you have 6th.
I can't remember the last time I even looked at my speedo.... use the GPS.

Keep yer stick on the ice....
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post #42 of 43 (permalink) Old 08-14-2019, 08:31 AM
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Originally Posted by Joey View Post
My understanding is that all bikes are optimistic by an average of 9%. I have found this to be true on every bike I have owned. I don't know why this is, but I thought it was more well known than it appears to be by this thread. I just use 10% which makes the calculation easy, or if on a trip I go by the GPS. For whatever reason, odometers are far more accurate. Like someone else said 130 is about 119, which the OPP usually will tolerate on the 401.
As I said earlier and was dismissed, when the speedometer lies one learns to compensate. The problem is when one expects all speedometers to lie as the example above. Then finds the hard way that not all lie.

My FJR indicates 0-1 MPH faster than Zumo 595.

Accurate speedometer is an indicator of quality design. There is no excuse for error because such errors are deliberate. If not deliberate, then how is it that the error is so consistent and predicable?

First outings on GL1800A led me to suspect there was a large error. GPS confirmed. Those Who Believe They Know Best For Us mandate speedometers indicate faster than actual speed, but those people are too smart to consider slow moving vehicles are just as dangerous as the faster moving vehicles.

The takeaway from all this is, "verify".

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post #43 of 43 (permalink) Old 08-20-2019, 07:36 PM
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2017 ES, As per Android phone App "GPS Speedometer" bike displays 8km more.

As per Android phone "Google Map" bike displays 10km more.
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