Quote:
Originally Posted by JFP in PA
Point is that most are set high, never low.
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As a matter of fact it's by German law.
Among other things, not every brand tire marked the same size is actually the same size. The point is it's considered a safety issue should a speedo indicate less than actual speed.
In the BMW motorcycle world, we've seen a couple tech bulletins about "speedometer advance." They claim the odometer is accurate and there's obviously no mechanical reason why not.