Mercury 40 Service Manual page 309

CLAMP/SWIVEL BRACKETS & DRIVESHAFT HOUSING
6. Adjust the co-pilot steering friction as follows:
Loosen the secondary steering friction screw. This screw can be used after the
co-pilot lever has been adjusted to add steering friction on the tiller handle.
a
a - Secondary Steering Friction Screw
Set the co-pilot lever to the full friction (left side) position.
Tighten locknut to the desired co-pilot friction. Move the co-pilot lever to the less fric-
tion (right side) position, the outboard should steer freely.
More Friction
Less Friction
90-828631R3 MARCH 1999 Page 5A-19