4-4
KM438A
NOTE: Note the locations of the jets, pilot screw,
and needle jet holder for disassembling proce-
dures.
KM439A
4. Secure the needle jet holder with a wrench; then
remove the main jet.
5. Remove the needle jet holder; then remove the
slow jet and the starter jet.
6. Remove the pilot screw. Account for a spring,
washer, and O-ring.
7. Unscrew and remove the idle screw. Account for
the spring.
KM440A
8. Remove the two screws securing the housing
cover; then remove the cover. Account for an
O-ring, diaphragm, and spring.
KM443A
ASSEMBLING
1. Thread the idle screw into the carburetor making
sure the spring is properly positioned.
2. Install the pilot screw with spring, washer, and
O-ring.
NOTE: Turn the pilot screw clockwise until it is
lightly seated; then turn it counterclockwise the
recommended number of turns as an initial set-
ting.
NOTE: Note the locations of the jets and needle
jet holder during assembling procedures.
3. Install the slow jet. Tighten securely.
4. Install the main jet into the needle jet holder and
tighten securely; then install the needle jet
holder assembly into the carburetor and tighten
securely.
KM440A
5. Place the float assembly (with float needle
valve) into position and secure to the carburetor
with the float pin; then install the baffle plate.
NOTE: Check float arm height by placing the car-
buretor on its side with the float contacting the
needle; then using a calipers, measure the height
when the float arm is in contact with the needle
valve. Float arm height should be as specified.
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Содержание DVX 250 2007
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