Carburetor - Arctic Cat DVX 400 2004 Service Manual

Carburetor

! WARNING
Whenever any maintenance or inspection is per-
formed on the fuel system during which there may
be fuel leakage, there should be no welding, smok-
ing, open flames, etc., in the area.
NOTE: The fuel valve is an automatic-off dia-
phragm style. Fuel will flow only when the engine
is being started or when it is running; however, in
the prime position, fuel will flow unrestricted to the
carburetor.
REMOVING
1. Ensure the fuel valve is not in the PRI position.
2. Remove the seat.
3. Remove the air-intake snorkel.
4. Disconnect the hose from the carburetor to the gas
tank at the fuel valve connection.
5. Loosen the flange clamps; then remove the carbure-
tor from the two carburetor boots.
6. Remove the three screws securing the throttle actua-
tor cover (5) to the carburetor; then remove the
cover. Account for the O-ring (7).
7. Disconnect the throttle cable from the actuator arm;
then loosen the outer jam nut (6) securing the throttle
cable to the carburetor body and route the cable out
of the way.
8. By unscrewing the choke cable end (4), disconnect
the choke cable from the carburetor.
9. Disconnect the gas and vent hoses; then remove the
carburetor.
DISASSEMBLING
1. Remove the two Phillips-head screws securing the
diaphragm cover; then remove the cover, spring (1),
O-ring (2), and the diaphragm (3).
SP279
2. Remove the needle holder assembly from the dia-
phragm. Account for a spring, spring washer, and the
jet needle.
SP280
SP281
SP282
3