2003-2006 Kawasaki KFX400 service manual, Page 101Get this manual
VALVE SEAT SERVICING The valve seats for both the intake and exhaust valves are machined to three different anglesThe seat contact surface is cut at 4545 15 30 60 Intake N-128 N-128 N-114 Exhaust N-128 N-121 N-114
For USA Valve seat cutter: N-114, N-121 and N-128 Solid pilot: N-100-5.0 For the other countries 09916-21110: Valve seat cutter set 09916-22420: Cutter N-128 09916-22430: Cutter N-114 09916-20610: Cutter N-121 09916-24311: Solid pilot N-100-5.0 NOTE: Use the solid pilot N-100-5.0 along with the valve seat cutters N-114, N-121, and N-128