2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 160Get this manual
CYLINDER HEADIVALVECAMSHAFT Usi ng 60" inter io cutter, rem ove 14 of he ex ist ing va lve seat ateri alTOO LS: Inte rio cutter, 34 (INEX) 0778 0-0014 700
OLD SEAT WIDTH
Cutter ho lder, 5.5 mm
07781-0010101
or equ ivale nt co me rcia lly avai lable in U.S .A
Using 45 seat cuttercu the seat to he proper
wid th VALVE SEAT IDTH: 1.0- 1.1 mm (0.0390.043 in) Make sure all pitti ng an irregu larit ies are rem ov ed
SEATWIDni