Incorrect speedo reading is a big problem most riders don't pay attention to, and it's not just from sprocket or tire size changes. From the factory a lot of speedos are inaccurate, inadvertently adding mileage to your bike and hurting the value. Speedo Tuner is small device used to recalibrate speedometer error in most motorcycles with electronic speedometer.
Works on most any bike with an electronic speedometer.
No math required, no guessing.
Simple 3-step procedure to regain accurate speedometer and odometer readings within 1%.
Fixes calibration once and for all.
Allows you to change sprocket sizes or use oversize tires and still have speedo read properly.
Fixes Harley's changing to 6-speed and/or overdrive transmissions.