Mercury 200 OptiMax Manual page 102

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
OUTBOARD INSTALLATION
Nm lb. in.
Tighten locknut until it seats, then
loosen ¼ turn.
27
27
94
lb. ft.
20
20