Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 83Get this manual
6-16 POWER UNIT VALVE SEAT SERVICING If the valve seat contact width is out of the specification, reface the valve seat as follows: Valve seat angleIN EX 09916-20620 09916-20610 09916-24440 09916-24450 09916-54910 15, 45 15, 45
IN, EX Valve seat
: Valve seat cutter 45 (NEWAY122)Valve seat cutter 15 (NEWAY121)Handle adaptor (N-503-1)Solid pilot (N-100-5.52)Handle (N-505)