GPZList Digest, Vol 5, Issue 19
curtgreenfield at gmail.com
Thu Apr 19 14:46:33 PDT 2007
> I've always heard that the speedometer starts to correct itself the faster
> you go. The centrifical force on the tire, at higher speeds, causes the
> total diameter of your wheel to increase enough to offset the normal margin
> of error. I was riding with some friends when I hit 150mph (indicated) and
> was pulling away really fast compared to the Buell (140 indicated) and a
> V-Rod (135 indicated). Maybe they're all off, but in my mind I hit 150.
> I'd say if it read 140, go with it. We all know it's not a zx-14r, but it
> still holds its own pretty darn well.
On another note, I almost have my GPZ's driving light project completed.
I'll try to post the pics, when I'm finished. I also went from a 44 tooth
rear sprocket to a 47...What a difference that made!!! I just hope I didn't
kill my mileage now.
> ----- Original Message -----
> > From: "Stephen Hampson" <shampson at beeb.net>
> > To: "'Kawasaki GPZ1100 discussion'" <gpzlist at micapeak.com>
> > Subject: Speedo error
> > Date: Thu, 19 Apr 2007 18:11:15 +0100
> > I fitted my GPS to the Gpz today and went for blast. As it has a mph
> > function I checked it against the speedo and seemed to be 8-10% out when
> > doing 40mph the GPS read 36mph and doing 70 the GPS read 65mph. So that
> > means when I did an indicated 140mph at the weekend, I was actually only
> > doing about 128mph.
> > I know most motorcycle speedos are pretty inaccurate but how does this
> > compare with anyone elses.
> > Cheers
> > Steve
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