I probably am offbase a bit but, I cannot find it either.
I just checked the Blue Ribbon Service Manual - GSS-1007 - Engine and on page 33
Para 23. - Put on the crancase oil pan with a new
Para 24. - Install engine flywheel and tighten the retaining bolts to 45-50 ftlbs of torque.
That's it, that's all.
So I am assuming that they just need to be snugged down with a ratchet?