Tengchang Intank Fuel Pump For Yamaha YZF-R1 YZFR1 R1 2002-2008 YZFR6 YZF R6 600 R6L R6S R6R 2003-2012 Operating Pressure: 15-90 PSI - final fuel pressure set by regulator; Flow: 140-160 Liter Per Hour, at 3.0Bar/13.5V Voltage: 12V min. ; Overall Length (tip to tip): 4 1/2" (11.5cm); Length of Pump Body Metal Case: 2 5/8" (6.6cm) Pump Body Diameter: 1 1/2" (3.8cm) ; Inlet Diameter: 5/16" (0.8cm) Outlet Diameter: 5/16" (0.8cm) Fuel Pump Sample Assembly( As picture shown ) Fitment: Yamaha YZF R1 2002-2012