Product description
The Fuel Mixture Screw is part of the latest collection from Pro Circuit.
Features:
- The under-the-float-bowl location of the fuel screw makes it next to impossible to reach
- Pro Circuit's fuel mixture screw can be turned by hand (without the use of tools)
- Fits 4-strokes with Keihin pumper carburetors (FCR)
- Includes O-ring (spring not included)
Specifications:
- Base Color: Red
- Color/Finish: Red
- Material: Aluminum
- Model: FCR
- Product Name: Screw
- Type: Fuel Mixture
- Units: Each
To fit:
- HONDA CRF 150 R 2007 All Models
- HONDA CRF 150 R 2008 All Models
- HONDA CRF 150 R 2009 All Models
- HONDA CRF 150 R 2010 All Models
- HONDA CRF 150 R 2011 All Models
- HONDA CRF 250 R 2004 All Models
- HONDA CRF 250 R 2005 All Models
- HONDA CRF 250 R 2006 All Models
- HONDA CRF 250 R 2007 All Models
- HONDA CRF 250 R 2008 All Models
- HONDA CRF 250 R 2009 All Models
- HONDA CRF 250 X 2004 American Models
- HONDA CRF 250 X 2004 European Models
- HONDA CRF 250 X 2005 American Models
- HONDA CRF 250 X 2005 European Models
- HONDA CRF 250 X 2006 American Models
- HONDA CRF 250 X 2006 European Models
- HONDA CRF 250 X 2007 All Models
- HONDA CRF 250 X 2008 All Models
- HONDA CRF 250 X 2009 All Models
- HONDA CRF 450 R 2002 All Models
- HONDA CRF 450 R 2003 All Models
- HONDA CRF 450 R 2004 All Models
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- KAWASAKI KLX 450 R 2008 All Models
- KAWASAKI KLX 450 R 2009 All Models
- KAWASAKI KX 250 F 2004 All Models
- KAWASAKI KX 250 F 2005 All Models
- KAWASAKI KX 250 F 2006 All Models
- KAWASAKI KX 250 F 2007 All Models
- KAWASAKI KX 250 F 2008 All Models
- KAWASAKI KX 250 F 2009 All Models
- KAWASAKI KX 450 F 2006 All Models
- KAWASAKI KX 450 F 2007 All Models
- KAWASAKI KX 450 F 2008 All Models
- KAWASAKI KX 450 F 2009 All Models
- KTM EXC-G 450 RACING 2003 American Models
- KTM EXC-G 450 RACING 2004 American Models
- KTM EXC-G 450 RACING 2005 American Models
- KTM EXC-G 450 RACING 2006 American Models
- KTM EXC-G 525 RACING 2003 American Models
- KTM EXC-G 525 RACING 2004 American Models
- KTM EXC-G 525 RACING 2005 American Models
- KTM EXC-G 525 RACING 2006 American Models
- KTM EXC-R 450 2008 Sixdays All Models
- KTM EXC-R 450 2008 All Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM EXC 450 2007 American Models
- KTM EXC 450 2009 Sixdays All Models
- KTM EXC 450 2009 All Models
- KTM EXC 450 2010 Champions Edition All Models
- KTM EXC 450 2010 Sixdays All Models
- KTM EXC 450 2010 All Models
- KTM EXC 525 RACING 2003 European Models
- KTM EXC 525 RACING 2004 European Models
- KTM EXC 525 RACING 2005 European Models
- KTM EXC 525 RACING 2006 European Models
- KTM EXC 525 RACING 2007 European Models
- KTM MXC 450 RACING 2003 American Models
- KTM MXC 450 RACING 2004 American Models
- KTM MXC 450 RACING 2005 American Models
- KTM MXC 450 RACING 2006 American Models
- KTM MXC 525 RACING 2003 Desert European Models
- KTM MXC 525 RACING 2004 Desert European Models
- KTM MXC 525 2003 American Models
- KTM MXC 525 2004 American Models
- KTM MXC 525 2005 American Models
- KTM MXC 525 2006 American Models
- YAMAHA WR 250 F 2001 European Models
- YAMAHA WR 250 F 2002 European Models
- YAMAHA WR 250 F 2003 American Models
- YAMAHA WR 250 F 2003 European Models
- YAMAHA WR 250 F 2004 American Models
- YAMAHA WR 250 F 2004 European Models
- YAMAHA WR 250 F 2005 American Models
- YAMAHA WR 250 F 2005 European Models
- YAMAHA WR 250 F 2006 American Models
- YAMAHA WR 250 F 2006 European Models
- YAMAHA WR 250 F 2007 American Models
- YAMAHA WR 250 F 2007 European Models
- YAMAHA WR 250 F 2008 American Models
- YAMAHA WR 250 F 2008 European Models
- YAMAHA WR 250 F 2009 European Models
- YAMAHA WR 426 F 2001 All Models
- YAMAHA WR 426 F 2002 All Models
- YAMAHA WR 450 F 2003 American Models
- YAMAHA WR 450 F 2004 American Models
Manufacturer part number: FMS07250
View all Pro Circuit Exhausts. View all Exhausts.

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.
Product description
The Fuel Mixture Screw is part of the latest collection from Pro Circuit.
Features:
- The under-the-float-bowl location of the fuel screw makes it next to impossible to reach
- Pro Circuit's fuel mixture screw can be turned by hand (without the use of tools)
- Fits 4-strokes with Keihin pumper carburetors (FCR)
- Includes O-ring (spring not included)
Specifications:
- Base Color: Red
- Color/Finish: Red
- Material: Aluminum
- Model: FCR
- Product Name: Screw
- Type: Fuel Mixture
- Units: Each
To fit:
- HONDA CRF 150 R 2007 All Models
- HONDA CRF 150 R 2008 All Models
- HONDA CRF 150 R 2009 All Models
- HONDA CRF 150 R 2010 All Models
- HONDA CRF 150 R 2011 All Models
- HONDA CRF 250 R 2004 All Models
- HONDA CRF 250 R 2005 All Models
- HONDA CRF 250 R 2006 All Models
- HONDA CRF 250 R 2007 All Models
- HONDA CRF 250 R 2008 All Models
- HONDA CRF 250 R 2009 All Models
- HONDA CRF 250 X 2004 American Models
- HONDA CRF 250 X 2004 European Models
- HONDA CRF 250 X 2005 American Models
- HONDA CRF 250 X 2005 European Models
- HONDA CRF 250 X 2006 American Models
- HONDA CRF 250 X 2006 European Models
- HONDA CRF 250 X 2007 All Models
- HONDA CRF 250 X 2008 All Models
- HONDA CRF 250 X 2009 All Models
- HONDA CRF 450 R 2002 All Models
- HONDA CRF 450 R 2003 All Models
- HONDA CRF 450 R 2004 All Models
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- KAWASAKI KLX 450 R 2008 All Models
- KAWASAKI KLX 450 R 2009 All Models
- KAWASAKI KX 250 F 2004 All Models
- KAWASAKI KX 250 F 2005 All Models
- KAWASAKI KX 250 F 2006 All Models
- KAWASAKI KX 250 F 2007 All Models
- KAWASAKI KX 250 F 2008 All Models
- KAWASAKI KX 250 F 2009 All Models
- KAWASAKI KX 450 F 2006 All Models
- KAWASAKI KX 450 F 2007 All Models
- KAWASAKI KX 450 F 2008 All Models
- KAWASAKI KX 450 F 2009 All Models
- KTM EXC-G 450 RACING 2003 American Models
- KTM EXC-G 450 RACING 2004 American Models
- KTM EXC-G 450 RACING 2005 American Models
- KTM EXC-G 450 RACING 2006 American Models
- KTM EXC-G 525 RACING 2003 American Models
- KTM EXC-G 525 RACING 2004 American Models
- KTM EXC-G 525 RACING 2005 American Models
- KTM EXC-G 525 RACING 2006 American Models
- KTM EXC-R 450 2008 Sixdays All Models
- KTM EXC-R 450 2008 All Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM EXC 450 2007 American Models
- KTM EXC 450 2009 Sixdays All Models
- KTM EXC 450 2009 All Models
- KTM EXC 450 2010 Champions Edition All Models
- KTM EXC 450 2010 Sixdays All Models
- KTM EXC 450 2010 All Models
- KTM EXC 525 RACING 2003 European Models
- KTM EXC 525 RACING 2004 European Models
- KTM EXC 525 RACING 2005 European Models
- KTM EXC 525 RACING 2006 European Models
- KTM EXC 525 RACING 2007 European Models
- KTM MXC 450 RACING 2003 American Models
- KTM MXC 450 RACING 2004 American Models
- KTM MXC 450 RACING 2005 American Models
- KTM MXC 450 RACING 2006 American Models
- KTM MXC 525 RACING 2003 Desert European Models
- KTM MXC 525 RACING 2004 Desert European Models
- KTM MXC 525 2003 American Models
- KTM MXC 525 2004 American Models
- KTM MXC 525 2005 American Models
- KTM MXC 525 2006 American Models
- YAMAHA WR 250 F 2001 European Models
- YAMAHA WR 250 F 2002 European Models
- YAMAHA WR 250 F 2003 American Models
- YAMAHA WR 250 F 2003 European Models
- YAMAHA WR 250 F 2004 American Models
- YAMAHA WR 250 F 2004 European Models
- YAMAHA WR 250 F 2005 American Models
- YAMAHA WR 250 F 2005 European Models
- YAMAHA WR 250 F 2006 American Models
- YAMAHA WR 250 F 2006 European Models
- YAMAHA WR 250 F 2007 American Models
- YAMAHA WR 250 F 2007 European Models
- YAMAHA WR 250 F 2008 American Models
- YAMAHA WR 250 F 2008 European Models
- YAMAHA WR 250 F 2009 European Models
- YAMAHA WR 426 F 2001 All Models
- YAMAHA WR 426 F 2002 All Models
- YAMAHA WR 450 F 2003 American Models
- YAMAHA WR 450 F 2004 American Models
Manufacturer part number: FMS07250
View all Pro Circuit Exhausts. View all Exhausts.

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.




































