2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 169Get this manual
POWERHEAD PISTON, CYLINDER, AND CRANKSHAFT STEPFinally, tighten the bolts to the final torque according to the tightening sequenceCrankcase Bolt Torques Bolt size Initial Second 36 inIbs12 ftIbs8mm (4 Nm) (16 Nm) 71 inIbs24 ftIbs10 mm (8 Nm) (32 Nm) Final 15 ftIbs(20 Nm) 30 ftIbs(40 Nm)
IMPORTANT: After tightening the crankcase