Here is the torque information for the propeller bolts.

1/4 bolts-----------132 inch pounds (+ or - 10 inch pounds)

5/16 bolts----------144 inch pounds (+ or - 15 inch pounds)

3/8 bolts------------200 inch pounds (+ or - 20 inch pounds)

7/16 bolts-----------250 inch pounds (+ or - 25 inch pounds)

1/2 bolts------------300 inch pounds (+ or - 25 inch pounds)

NOTE: 12 inch pounds equal one foot pound