Fits:MakeModelYearYamahaDT1001983YamahaDT501988-1990YamahaDT801983YamahaMX1001983YamahaRT1001990-2000YamahaTTR1252000-2003YamahaTTR125E2003-2009YamahaYZ1001982-1983Product FeaturesThe friction material is composed of a mixture of synthetic composites and metallic fibers. DOT rating of FF; 0.44 – 0.45 coefficient of friction at both 250F and 600F; A minimal 0 to 22 percent fade possible at 600F. Provides great stopping power and long life with low dust and brake disk wear at an economical price.