Hangar 9 P-51D Mustang Sport 40 ARF Assembly Manual page 16

Note: Skip Step 9 if you are installing a four-stroke
engine.

Step 9
Slide a clevis retainer on one of the nylon clevises.
Thread the clevis 12-turns on the 15
threaded pushrod.
16

Step 10
Slide the pushrod into the pushrod tube in the firewall.
Connect the clevis to the outer hole of the carburetor arm.
Slide the clevis retainer over the forks of the clevis to keep it
from opening accidentally.
/ -inch (397mm)
5
8
noTE: SPECIAL ConSIDERATIon FoR
FouR-STRoKE InSTALLATIon

Step 10a
Insert the Z-bend made in the throttle pushrod in the outside
hole of the carburetor arm. You may need to remove the
carburetor arm or engine to slide the pushrod wire into the
tube inside the fuselage.

Step 11
Use a pin vise and 5/64-inch (2mm) drill bit to enlarge the
hole in the servo horn that is 5/8-inch (15mm) from the
center of the horn as shown.

Step 12
Use side cutters to remove the remaining arm from the servo
horn so it doesn't interfere with the operation of the servos.
Hangar 9 P-51D Mustang Sport 40 Assembly Manual