[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Speedometer Accuracy
- Subject: Re: Speedometer Accuracy
- From: Davis Eichelberger <davis@xxxxxxxxxxxxxxxxx>
- Date: Wed, 01 Jun 2005 12:14:31 -0400
andrew johnson wrote:
> It's probably off, reading from 5% - 8% high (fast). BMW does this so
> you can't claim you were traveling faster than your speedo indicated
> (they don't want to be held liable for your speeding tickets).
> A common fix for the GS 1100/1150 is to take a speedo hub from a
> spoked R1100R wheel and get accuracy within 1%. The R1100R hub for
> spoked wheels has a different ratio that almost perfectly solves the
> problem for the GS.
> Other solutions for cable-driven speedometers use ratio-changing gear
> boxes to correct for the variation.
Be warned though, the speedos tend to read 5-10% high, but the odometers
are generally fairly accurate. If you change the hub or add a box to
adjust the speedometer, you will likely get a less accurate odometer.
Up to you to decide which you'd rather have.