Arctic Cat DVX 400 2004 Service Manual page 75

3. Remove the two screws securing the primer housing.
Account for the primer diaphragm assembly (11) and
spring.
4. Remove the Phillips-head screws securing the float
chamber; then remove the chamber. Account for the
O-ring (12).
5. Remove the float pin (13); then lift the float assem-
bly (14) from the carburetor. Account for the needle
valve (15).
4
SP283
NOTE: Note the locations of the jets, pilot screw,
and holder for disassembling procedures.
SP284
6. Secure the needle jet holder with a wrench; then
remove the main jet.
7. Remove the needle jet holder; then remove the pilot
jet and the starter jet.
8. Remove and install the pilot air screw using the fol-
lowing procedure.
A. Using a 1/8-in. drill bit with a drill-stop (1) set
at 4 mm (0.16 in.) from the end, drill through
the plug (2).
B. Thread a self-tapping screw into the plug and
use a pliers to pull the plug from the carburetor
body (4).
C. Turn the pilot screw (3) clockwise counting the
turns until it is lightly seated; then remove the
pilot screw accounting for a spring, washer, and
SP285
O-ring.
SP286
SP287A
ATV2179