For Keihin pumper carburetors (FCR) For all Yamaha YZ/WR 426F, 250F, 450F bikes, YFZ quads. NOT fit the YZ and WR 400FS. For all CRF450 and CRF250. Kawasaki KX250F and its brother. Suzuki RMZ 250. For 2003-UP RFS 4-strokes – 450 and 525. NOT fit 2002 and older 400 and 520 bikes Package comes with: 6pcs Fuel Filter + 12pcs Clamp Replacement for: Keihin pumper carburetors (FCR) all Yamaha YZ/WR 426F, 250F, 450F bikes, YFZ quads. NOT fit the YZ and WR 400FS. all CRF450 and CRF250. Kawasaki KX250F and its brother Suzuki RMZ 250. 2003-UP RFS 4-strokes – 450 and 525. NOT fit 2002 and older 400 and 520 bikes