Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 387Get this manual
2Drill the pilot holes using mm (0.10.2 in) drill3Finish drilling the holes using 10.2 mm (0.4 in) drill correctly- NOTE: Drill at right angles to the transom boardELF-LOCKING NUT (4) 10 mm PLAIN WASHER (4) (larger)
bTILLER HANDLE TYPE
4Apply sealant (silicone sealant or equivalent) to the
mounting bolts and bolt holes5Secure the outboard motor using four bolts, eight smaller washers, four larger washers and four self lock nuts
1Drill the holes using the same procedure of the remote control type
2Finish drilling the two holes using 8.2 mm (0.3 in) drill correctly192 mm (7.6 in)