Mercury 225 Manual page 146

2. Attach the throttle cable to the throttle lever. Secure with a
washer and locknut. Tighten the locknut to the specified
value.
Description
Throttle cable locknut "b"
3. Adjust the cable barrel so the installed throttle cable will hold
the idle stop screw against the stop.
a
4. Check the throttle cable adjustment as follows:
a. Shift the outboard into gear a few times to activate the
throttle linkage. Rotate the propeller shaft while shifting
into reverse.
b. Return the remote control to neutral.
c. Place a thin piece of paper between the idle adjustment
screw and the idle stop. The adjustment is correct when
the paper can be removed without tearing, but has some
drag on it.
OUTBOARD INSTALLATION
a -
b -
a
b
2678
b
Nylon washer
Locknut
Nm
Tighten, then loosen 1/4 turn
a - Cable barrel
b - Idle stop screw
2679
134
lb‑in. lb‑ft
eng