2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 140Get this manual
POWER UNIT
4Install the crankcase (with the bearing) to the cylinder5Apply the engine oil lightly to the crankcase bolts6Tighten the ten bolts of the specified torque according to the numerical order as shown Crankcase bolt: mm 14 Nm (1.4 kgf-m, 10.0 lb-ft) mm 25 Nm (2.5 kgf-m, 18.0 lb-ft)