Honda Outboards BF40A/BF50A Service Manual, Page 153Get this manual
HONDABF35A45A 2) Set the special tool on the vertical shaft as shown and attach the tip of the dial gauge to the special toolTOOL: Backlash inspection 07LPJ-ZV30300 attachment
3) Turn the vertical shaft right and left while pressing it down
I S.ToOL I
[1] BACKLASH INSPECTION ATTACHMENT 07LPJ-ZV30300
with approximately kg (11.0 Ib) of force and measure the backlashStandard