yoyo
Well-Known Member
I see this a lot when out bike training, Japanese bikes tend to be about 10% above GPS speed while BMW tend to be spot on.
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speedometer error correction
- Thread starter pdksh
- Start date
Don in Lodi
Well-Known Member
Founding Member
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Something I read long ago was that the CDOT didn't want the speedo to translate across the boarder for some reason when picking out their list of do-dads from Yamaha.
VRODE
Easy Does It
Mine too.
At all speeds?
VRODE
Easy Does It
Most of the ones I check, yes. 40-65 mph it seems to be within 1-2 mph according to my gps. All my previous bikes were always about 10% off everywhere.
WJBertrand
Ventura Highway
Seems to be about the same error at in town to highway speeds. Usually it’s a percentage error so above 80 MPH it seems to settle in at about 2 MPH high. It flips between 1-2 MPH at lower (legal) speeds, hence I say 1-1.5.
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Little Joe
Member
Are you sure you don’t mean speedo reads 10km faster than you are actually going. ?good afternoon all, just an observation. I just completed a 5000KM road trip and made extensive use of my Garmin GPS (dont get me started on that piece of junk) and the one thing I immediately noticed was my speedometer was 10KM/hr slow at 100KMs. I used both my phone GPS/speed app and my garmin GPS and they two GPS apps reported the same speed, where the bike's Speedometer consistently reported slower. It looks like the speedometer of the bike is accurate at approximately 45KM/hr, anything over that and it reports slow.
A couple of weeks ago while traveling on the Highway (before I did my trip) I was doing 135KM/hr to keep with the flow of traffic (100km zone that everyone typically does 120km, I live in Ontario) I wasn't comfortable loosing my license doing 35km/hr over the posted limit, turns out I was probably doing between 120km/hr - 125km/hr.
Has anyone else with a GEN-II Tenere taken the time to "test" the accuracy of their speedometer. Its all "digital" so there rely no excuse for this level of error. Funny enough, my unofficial distance tests using highway signs appeared to be spot on with distances of approximately 100kms.
I averaged about 4.6 Liters per 100 KM fuel economy doing approximately 100kms/hr fully loaded with a weeks camping gear.
I tried to change my speedometer read out from KMs to Miles for a short jog into the USA but I couldn't find such an option in the menu system. It possibly doesn't exist and I was too lazy too check the owners manual.
Just Curious.
Brian
On a US bike you can change to km.
On a Canadian bike you cannot chg to miles. Went through the whole issue with my FJR.
Eastern Ontario resident.
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That would make more sense than the opposite. If it showed slower than actual, a lot to people would be getting in trouble.
sheikyerbooty
Well-Known Member
Mike yer drivin' too fast
AZMike
Well-Known Member
That was purely for science on a closed course by a trained professional. Please do not try this at home.
