Cleaning And Inspecting - Arctic Cat ATV 300 Utility/DVX 300 2011 Service Manual

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 NOTE: Note the locations of the jets, pilot screw,
and holder for disassembling procedures.
6. Secure the needle jet holder with a wrench; then
remove the main jet.
7. Remove the needle jet holder; then remove the nee-
dle jet, slow jet, and the starter jet.
8. Remove the pilot screw. Account for a spring,
washer, and an O-ring.
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CLEANING AND INSPECTING

 NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
When drying components with compressed air, always
wear safety glasses.
DO NOT place any non-metallic components in parts-
cleaning solvent because damage or deterioration will
result.
1. Place all metallic components in a wire basket and
submerge in carburetor cleaner.
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2. Soak for 30 minutes; then rinse with clean, hot water.
3. Wash all non-metallic components with soap and
water. Rinse thoroughly.
4. Dry all components with compressed air only mak-
ing sure all holes, orifices, and channels are unob-
structed.
5. Inspect the carburetor body for cracks, nicks,
stripped threads, and any imperfections in the cast-
ing.
6. Inspect the vacuum piston for cracks, imperfections
in the casting, or cracks and tears in the rubber.
7. Inspect float for damage.
8. Inspect gasket and O-rings for distortion, tears, or
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noticeable damage.
9. Inspect tips of the jet needle, pilot screw, and the
needle jet for wear, damage, or distortion.
10. Inspect the slow jet and main jet for obstructions or
damage.
 NOTE: If the slow jet is obstructed, the mixture will
be extremely lean at idle and part-throttle operation.
11. Inspect the float valve for wear or damage.
12. Inspect the carburetor mounting flange for damage
and tightness.
ASSEMBLING
1. Install the pilot screw, spring, washer, and O-ring.
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