28mm 38mm 40mm Adjustable Power Jet Carburetor Velocity Compatible with 250F 450R Dirt Bike Models Including YZ KX RMZ CRF Series(28mm)

Carburetor slides Material: Not specified treatment: Not specified Compatibility: 250 EXCF (2002-2005, 2007-2011), 250 SXF (2006-2010), 400 SX/EXC (2000-2002), 450 EXC (2008-2011), 450 EXC-R (2006-2007), 450 SMR (2006-2007), 450 SXF (2006-2012), 505 SXF (2008-2009), 520 SX (2000-2002), 525 EXC-R (2003-2006), 525 SMR (2005), 525 SX (2003-2007), 530 EXC-R (2008-2011), 540 SXS (2006), 640, 660, TE 250 4T (2005-2007), TXC 250 4T (2008-2009), SMR 450 (2005-2009), TE 450 (2005-2009), TXC 450 (2008-2010), TE 510 (2005-2007), TXC510 (2008-2010), 550 ALL, SM610 (2006-2007), 250 ALL, 390 ALL, FS/FE 450 (2004-2008), 501 ALL, 510 ALL, FS/FE 550 (2007-2008), 570 ALL, 610 ALL, FS/FE 650 (2004-2008), 350 ALL, 400 ALL, 430 ALL, 480 ALL, 498 ALL, YZ 250F (2003-2013), WR 250F (2003-2013), YZ 400F (1998-1999), WR 400F (1998-2000, 2003), YZ 426F (1998-1999), YZ 450F (2003-2009), WR 450F (2001-2011), KX 250F (2004-2010), KX 450F (2006-2008), KLX 400, KLX 450, KLR 650, RMZ 250 (2004-2009), DR 350 (1994-1999), DRZ400 (2000-2023), RMZ 450 (2005-2007), DR 650 (1996-2014), CRF 250R (2002-2009), CRF 250X (2004-2019), CRF 450R (2002-2008), CRF 450X (2005-2019), NC250, NC300, NC450 4T, GPX FSE 300R 450R, SSR SR250S SR300S SR450S, ACELLERA ACX 250F 300F, MXF 250R 300R, MORMAII VT 250R 300R, TOKENS TXR 250 300, BOSUER BSE M4 250 300, GR7 F250A F300A 4T, ZUUM CX250 300, CROSSFIRE XZ250RR XZ300RR, CROSSFIRE RM250 RM300 Features: Works with increased bore taper to improve air flow at low throttle positions.Generates higher velocity and fuel lift for improved response.Redesigned bell and venturi design.Improved slide design.Earlier power jet activation.Double idle adjustment.Lighter throttle pull.Shorter overall length.Simple design without multiple jets.Included: Not specified

• Compatible with YZ250F KX250F RMZ250 CRF250R CRF450R for integration
• Features adjustable velocity power jet for precise fuel and air mixture control
• Available in 28mm 38mm 40mm sizes to fit various performance needs
• Enhances throttle response and overall engine performance for off-road bikes
• Constructed with materials to withstand speed riding conditions
• Easy to install with standard carburetor tools for quick setup
• Optimizes fuel efficiency while maintaining power output for racing applications