2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 351Get this manual
BF80-BF9.90 13) Turn the piston rod of the outer tubepiston rod assembly upside down and check whether the piston rod is extended fully14)Pour fresh ATF into the cylinder and outer tube up to the top edge of the cylinder and outer tubePour the ATF up to the top edge
CYLINDER
15) Install the valve body on the outer tube that had been filled with the ATF in 14, and tighten the valve body Install the valve body with care not to spill the ATF from the outer tubepiston rod assembly