Modern synthetic filter media designed for ultimate oil flow ratewith less pressure drop Engineered for outstanding filtration to meet or exceed OEM specifications Compatible with all of the latest synthetic engine oils Unaffected by racing fuels TUV product endorsed and TUV factory production monitoredAdditonal Fitment:2009-2011 YAMAHA YZ250F2011-2011 YAMAHA 250 WR250R2009-2011 YAMAHA WR250R/X2011-2011 YAMAHA 450 WR450F2011-2011 YAMAHA 250 YZ250F2011-2011 YAMAHA 250 WR250F2009-2011 YAMAHA WR450F2009-2011 YAMAHA WR250F2011-2011 YAMAHA 250 YZ2502011-2011 YAMAHA 250 WR250X2009-2011 YAMAHA YZ450F2009-2011 YAMAHA XT250