Fits all Yamaha YZ-YZF-WRF, Honda CRF250/450, Kawasaki KXF250-450, Suzuki RMZ250-450 & KTM 450-525 SX-EXC fitted with Keihin FCR Carb. fuel mixture screw, CNC machined. Fits Keihin Pumper Carburettors FCR. The above product photos are used for illustration purposes only and may vary slightly. CRF250R CRF250RX CRF250X CRF450R CRF450X CRF450RX KX250F KX450F KLX450R RMZ250 RMZ450 RMX450 YZ250F YZ250FX WR250F YZ400F WR400F YZ426F WR426F YZ450F YZ450FX WR450F KTM 250SXF 250EXCF 250XCF 350EXCF 350SXF 350XCF 400EXCF 400SXF 450EXCF 450XCF 450SXF 500EXCF 520EXCF 530EXCF 98-20 Fuel Mixture Screw Keihen FCR Red Designed exclusively for Keihin FCR carburetors that are on the majority of late-model MX and ATV vehicles Allow for minor adjustments to be made either at the track or on the trail without any tools
