Honda BF115A, BF130A Outboard Motors Shop Manual., Page 400Get this manual
BFI 15AaBFl3OA 5) Hold the vertical shaft upright (with the pinion gear toward up) and secure the vertical shaft6) Set the commercially available depth gauge at the gauge adapter of the pinion gear side as shownMeasure the vertical shaft length (dimension "D") and record it
TOOL: Gauge adapter, mm
111 DEPTH GAUGE (Commerciallyavailable)
GAUGE ADAPTER,
07OPJ-ZY30100
7) Assemble the outer race and inner race of the 30 62 40 taper roller bearing