Mercury 200 OptiMax Manual page 101

OUTBOARD INSTALLATION
3. Torque the head bolt, then the locknut to specifications.
Description
Cable Coupler Nylon Locknut "d"
Head Bolt Nylon Locknut "b"
Special washer head bolt
Nm
Tighten locknut until it seats, then
loosen ¼ turn.
27
27
93
lb. in. lb. ft.
20
20