Description of High-Performance KIPA Carburetor (FCR40) for Yamaha WR400F 1998-2000, WR426F 2001-2002, WR450F 2003-2011, YZ400F 1998-1999, YZ426F 2001-2002, YZ450F 2003-2009 - Flat Side 40mm
Top Quality Well CNC-Machined KIPA Carburetor, easy to install, Directly Fit, Improve throttle response for better engine performance, Pefect Idle and Top Accelerator Status, help to keep your Car running at Top performance. MPN: Replace for YAMAHA Part # 5TG-14101-00-00, Replace for Keihin FCR40 FCR 40mm Flat side Carb. Fitment: Replace for YAMAHA WR400F 1998-2000 WR426F 2001-2002 WR450F 2003-2011, YZ400F 1998-1999, YZ426F 2001-2002, YZ450F 2003-2009. Specification: Main Jet 170; Pilot Jet 48; Air Filter Outlet Diameter: 55.5mm/43.6mm(O.D/I.D); Manifold Outlet Diameter: 49.9mm/40.0mm(O.D/I.D);Package Including: 1 x Carburetor. 1 x Fuel Filter. 1 x Cover. 4 X Main Jets.(#165, 175, 180, 185) 4 X Pilot Jets.(#45, 52, 55, 58). Manual is not included,But you could find a lot of installation video and manual on tube. Your Powerful Vehicle deserve A Perfect Carburetor.