2011 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 63Get this manual
FuelLubricationCooling Carburetor Specifications Type Main Jet Starter Jet Slow Jet Pilot Screw Setting (turns) Needle Jet Jet Needle Idle RPM Float Arm Height Throttle Cable Free-Play (at lever) Keihin CVK32 112 60 38 34 4.03.6 NLRA 1250-1350 17.0 mm (0.67 in 1-4 mm (116-316 in2Remove the cap screws securing the air filter housing to the frame; then loosen the clamp securing air inlet boot to the carburetor and remove the air filter
3Remove the choke assembly from the carburetor leaving the choke cable attached to the choke plunger
Carburetor
4Remove the screw securing the throttle actuator cover to the carburetor; then remove the cover
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Screw Top Spring Seat, Spring Jet Needle Vacuum Piston Needle Jet Needle Jet Holder Main Jet Starter Valve Coil Spring Cap