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• Keihiro Precision CNC Machined Screws for FCR Carburetor
• O-ring design ensures adjustment settings and numerically calibrated for tuning memory
• Includes spring, washer, and o-ring
• Because the throttle is responsive and no delay in acceleration,
• Avoid repeated ignition and vehicle damage

5 Pcs Easy Adjustable Air Carburetor Fuel Mixing Screws Motorcycle ATV Dirt Bike Honda CRF150R CRF250R CRF250X CRF450R CRF450X TRX450R

Fits all Keihi FCR and FCR-MX carburetors and fits most popular 4-stroke models.

Honda CRF150R 2007-2009, 2012 2013 2014 2015 2016
Honda CRF150R Expert 2007 2008 2009, 2012, 2015-2016
For Honda CRF250R 2004-2009
Honda CRF250X 2004 2005 2006 2007 2008 2009, 2012-2013, 2015
Honda CRF450R 2002 2003 2004 2005 2006 2007 2008
Honda CRF450X 2005 2004 2005 2006 2007 2008 2009, 2012 2013 2014 2015
Honda TRX450R 2006 2007 2008 2009, 2012 2013
For Honda TRX450R (Electric Start) 2009, 2014

Quantity: 5x Fuel Mixing Screws
Material: 6061-T6 Aluminum
Color: Black, Blue, Gold, Green, Orange, Red, Silver

Keihiro Precision CNC Machined Screws for FCR Carburetor
O-ring design ensures adjustment settings
Numerically tuned for tuning memory
Comes with springs, washers and o-rings
Timely adjusts fuel supply to ensure power output and maneuverability of the bike.