Yamaha WR450F Speedohealer 2006 - 2001 $137, sell $100
Yamaha WR450F Speedohealer 2006 - 2011 $137, sell $100 Model no SH-V4 plus SH-YO2 (Harness - WR450F harness) Designed to run motard wheels or adjust your speedo to be more accurate. Plug and play unit so you can program your speedo to make it read more accurately or read the right speed for different wheel diameters and quickly swap between 17in Motard wheels and 21" dirt wheels with the push of one button. Simply piggy-backs into the harness behind the headlight, plug and play.