Honda BF35A-BF45A Outboard Motors Shop Manual., Page 114Get this manual

Honda BF35A-BF45A Outboard Motors Shop Manual., Page 114

HONDA BF35AA

VALVE SEAT RECONDITIONING
1 Thoroughly clean the combustion chambers and valve seats remove carbon depositsApply light coat of Prussian Blue compound or erasable felt-tipped marker ink the valve faces2Insert the valves, and then lift them and snap them closed against their seats several timesBe sure the valve does not rotate on the seatThe transferee! marking compound will show any area of the seat that is not concentric
Follow Valve Seat Cutter Manufacturer's Instructions

1[ ]) HOLDER eCUTTER
07781 -0010101

3)Using 45O cutter, remove enough material to produce a
smooth and concentric seatTurn the cutter clockwise, never counterclockwiseContinue turn the cutter as you lift it from the valve seat