FMF Racing EFI Programmers 014403
Pre-programmed with best settings to compliment FMF ExhaustsStand alone programming capability if needed - no laptop or extra device neededO.E.M.-type connectors for plug-n-play capabilityDetailed yet easy to understand installation and tuning instructions includedThis Item Fits the Following Applications:2010 Yamaha WR250R2009 Yamaha WR250X2009 Yamaha WR250R2008 Yamaha WR250X2008 Yamaha WR250R