Cub Cadet MTD 90 Series User Manual
Page 55

F
UEL
S
YSTEM
AND
G
OVERNOR
49
 The choke rod is part of the heat box assembly 
mounted on the front of the carburetor. See Figure 4.22.
NOTE: The choke rod can be bent slightly to facilitate
adjustment.
To adjust the choke rod:
1.
Remove the choke knob and the engine shroud by 
following the steps described in Chapter 3: Air Intake 
Systems.
2.
Rotate the choke knob shaft to verify full choke 
movement. See Figure 4.23.
3.
If the choke plate does not open fully or close fully, 
adjust the choke linkage.
NOTE: When adjusting the choke linkage, make small
bends and recheck the movement of the choke 
plate. Repeat this step until full movement is 
achieved.
4.
Reassemble by following step 1 in reverse order.
5.
Test run the engine before returning to service.
Figure 4.22
Heat box
Choke rod
Figure 4.23
Choke
plate
Choke
rod
