Speedohealer Speedohealer is the most advanced speedometer fix available for motorcycles today. On most modern sportbikes and motorcycles, with factory speedometer error being as high as 10%, even a modest sprocket gearing change can have the speedometer off by around 15%. If you decide to do a sprocket change will also cause higher odometer reading, creating a negative resale factor for no valid reason. The SpeedoHealer is an inexpensive, convenient and very simple way to fix your speedo and odometer. Speedo healer is compatible with all motorcycles with non cable driven speedometters. McCoy Motorsports ToBeFast.com has you covered for all your SpeedoHealer needs!