Mercury 40 Service Manual page 59

OUTBOARD MOTOR INSTALLATION
4. Move the throttle linkage arm down.
a -
5. While holding down the throttle linkage arm ("a" Step 4), adjust the throttle barrel until
a 1/8 in. (3.2 mm) gap exists between the oval shaped boss and the cam.
a -
b -
c -
Page 1D-12
Throttle Linkage Arm
1/8 in. (3.2 mm)
b
Throttle Barrel
Oval Shaped Boss
Cam
a
c
a
90-828631R3 MARCH 1999