Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 194Get this manual
bINSPECTION CRANKSHAFT
1) Clean oil thoroughly from the crank pin and the inner wall of the connecting rod big end2) Place piece of plastigauge on the crank pin, install the connecting rod and cap and tighten the bolts
111 CONNECTING
TORQUE: 12 (1.2 kgf-rn, Ibf-ft)
Do not rotate the crankshaft while the plastigauge is in place
3) Remove the connecting rod and measure the plastigauge at its widest portionStandard Service limit