1998-2004 Honda Foreman 450 factory service manual, Page 144Get this manual

1998-2004 Honda Foreman 450 factory service manual, Page 144

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CYLINDER HEADCYLINDERPISTON VALVE SEAT INSPECTIONREFACING Clean the intake and exhaust valves thoroughly to remove carbon depositsApply light coating of Prussian Blue to the va lve seatsTap the valves