2000-2003 Honda TRX350 Rancher factory service manual, Page 114Get this manual

CYLINDER HEADVALVE If the contact area is too high on the valve, the seat must be lowered using 32 flat cutterIf the contact area is too low on the valve, the seat must be raised using 60 interior cutter32 CONTACT TOO LOW OLD SEAT WIDTH CONTACT TOO HIGH OLD SEAT WIDTH

Using 45 seat cutter, remove any roughness or irregularities from the seat
ROUGHNESS

TOOLS: Valve seat cutter, 35 mm (IN) Valve seat cutter, 29 mm (EX) Cutter holder, 5.5 mm

07780-0010400 07780-0010300 07781-0010101

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