Ok- riddle me this Batmen - MVAgusta.net
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post #1 of 21 (permalink) Old 08-03-2015, 09:47 AM Thread Starter
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Ok- riddle me this Batmen

I went out on a 250+ backroads ride with a friend this past Sunday-when we gassed-up we both zero'd the tripometer. At one point I asked him how many miles we had logged- he was @ 110, I was @ 117-I know the dashboard software is horrible on my 2010 1090RR, but this is nuts.

TIA

Marc
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post #2 of 21 (permalink) Old 08-03-2015, 10:26 AM
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That's only a 5% difference in readings - pretty good if you ask me given the many variables in speedos.
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post #3 of 21 (permalink) Old 08-03-2015, 10:40 AM
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Depends on how reliable his odometer is as well. Stock OEM tires, tire wear. Best to take a GPS with you and run another 100kms, then check against it for distance.

Speed is relative, but fast is fast.

- 2011 brutale 1090R (Matte pearl white/Black)
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post #4 of 21 (permalink) Old 08-03-2015, 10:44 AM
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Inflation of tyres? Could easily cause a difference over that many miles
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post #5 of 21 (permalink) Old 08-03-2015, 12:26 PM Thread Starter
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Thanks Mates-
We are riding on the same size tires front/back, pressure was checked before ride, I have Dunlops, he may have Metzlers.....
Speaking of tires, what do you guys like? It's time for a replacement.

M
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post #6 of 21 (permalink) Old 08-03-2015, 12:59 PM
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if your tyres are nearly worn out, that would explain the difference compared to a new tyre

cheers
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post #7 of 21 (permalink) Old 08-03-2015, 04:23 PM Thread Starter
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The tires are good till the end of the season, rear more worn than the front (of course) -good call!!
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post #8 of 21 (permalink) Old 08-03-2015, 08:20 PM
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Normal acceptable variation in odometer/speedometer readings is up to 10%. Most manufacturers shoot for 5 to 7%.

Almost always optimistic (don't want to be blamed for speeding tickets!). Tire wear, brand, air pressure....lots of variables that have to be dealt with. There are speedo correction devices available if you want to be precise...or use the GPS.

My Old Toyota Tacoma has oversize wheels....it is almost exactly 11% pessimistic.....I have to do the mental math lest I get a performance award....

Interestingly, my Brutale has the most accurate speedometer of any bike I have ever owned.....but no 2 will be exactly alike.
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post #9 of 21 (permalink) Old 08-04-2015, 01:12 AM
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I know my 2012 1090RR over reads distance by about 5%.
My 910R says 140km round trip to work and back, the 1090 reads closer to 145km for the same journey....
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post #10 of 21 (permalink) Old 08-04-2015, 02:04 AM
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1090 RR Brutale?
You were probably spinning the rear out of the corners for a total of 7 miles.

It ain't what you ride, it's the way you ride it.
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