Motorcycle Easy Adjustable Air Carburetor Fuel Mixture Screw For ATV Motocross Universal Parts Condition: Brand Quantity: 1x Fuel Mixture Screw Material: 6061-T6 Aluminum Color: As shown Features: - CNC machined screw for FCR carburetors - design secures adjustment setting - Numerically calibrated for tuning memory - Includes spring, washer, and - Anodized finishing Fitment: Fits all FCR & FCR-MX Carburetors, compatible with most common 4-stroke models.Reference fit models include: - CRF150R (2007-2009, 2012-2016) - CRF250R (2004-2009) - CRF250X (2004-2009, 2012-2013, 2015) - CRF450R (2002-2008) - CRF450X (2005-2009, 2012-2015) - TRX450R (2006-2009, 2012-2013) - KLX450R (2008-2009) - KX250F (2004-2010) - KX450F (2006-2009) - 250 SX-F (2005-2011) - 250 XC-F (2008-2009) - 450 EXC (2003-2011) - 450 SX (2003-2006) - 450 SX-F (2008-2012) - RM-Z250 (2004-2009) - RM-Z450 (2005-2008) - WR250F (2001-2009, 2011-2013) - WR450F (2003-2009, 2011) - YFZ450 (2004-2009, 2013) - YZ250F (2001-2013) Note: Verify compatibility with your specific model before purchase.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.