speedo healer and 15t - Wrist Twisters
 
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post #1 of 6 Old 11-22-2008, 02:50 AM Thread Starter
(Quintus) Pilus Prior
 
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speedo healer and 15t

Going to get a speedo healer soon.

With new Pilot Powers, and a 15t front, is 13% correction correct?

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post #2 of 6 Old 11-22-2008, 03:22 AM
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probably best practice to calibrate regardless of what others have found, just my opinion though

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post #3 of 6 Old 11-22-2008, 11:41 AM
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If I were you, I'd find a flat road, borrow a buddies GPS, hold it at speed, and see how far you're off at a few different speeds. Should give you a good idea...


EDIT: Furthermore, if you found said flat road, you could calculate it by timing the mile markers.

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post #4 of 6 Old 11-23-2008, 05:50 AM Thread Starter
(Quintus) Pilus Prior
 
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I have a Magellan unit. I don't think it's meant to be on a motorcycle, but I've had it on my 600 before. You can't read it in sunlight. I'll stick the GPS on the 919 to double check. I am really looking for a starting point.

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post #5 of 6 Old 11-23-2008, 08:30 AM
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What do you need a speedo for?

Let me know how much it is off, I'm going to do the 15T and wonder what a difference it will make. That and the GP exhaust will be a loud nasty mofo!

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post #6 of 6 Old 11-25-2008, 06:32 AM
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Go to the drag strip and cruise through the speed trap at 100mph indicated on the speedo. This will give you error %. Several threads have documented the stock error at 8% the speedo-healer corrects for speedo error at 5.5% so if you increase the recommended correction factor by 2.5% it should be real close. I have checked my speedo at the track and going through the traps at 100 indicated results in a measured speed of 98.5. I can live with a 1.5% error.

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