About the Yellow Box
Yellow Box Speedometer Recalibration
The Yellow Box corrects the speedometer and odometer of all vehicles
that use a hall-effect speed sensor to generate the speedometer signal.
Motorcycles; sportsbikes, Harley Davidson, cruisers, road, trail, trikes,
custom bikes, racing, snowmobiles. Cars and trucks; sportscars, 2WDs,
4WDs, pickup trucks, utes, off-road vehicles, kit cars and custom cars.
We stand by our 10 year guarantee!
There are many causes of speedometer error;
Latest News
Aug 4, 2008 - Plug-n-play Yellow Boxes for motorcycles!
The version 4.0 Yellow Box is now available with plug-n-play harnesses
for most motorcycles. Plug-n-play for my bike.
Feb 28, 2008 - Yellow Box version 4.0 available now.
The Yellow Box Speedo Recalibrator is celebrating its 10th anniversary
in a new compact, custom styled design.
Thank you for visiting YellR,
Home of the Yellow Box - "The world's best Speedo Recalibrator!"
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Last updated Aug 4, 2008
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