2008 Arctic Cat ATVs factory service and repair manual, Page 326Get this manual
Dry all components with compressed air only making sure all holes, orifices, and channels are unobstructed Inspect the carburetor body for cracks, nicks, stripped threads7and any imperfections in the castingInspect the vacuum pistonldiaphragm for cracks, imperfections in the casting7or cracks and tears in the rubberInspect float for damageInspect gasket and O-rings for distortion7tears7 or noticeable damageInspect tips of the jet needle, pilot screw, and the needle jet for wear, damage, or distortionInspect the slow jet and main jet for obstructions or damageWNOTE: If the slow jet is obstructed, the mixture will be extremely lean at idle and part-throttle operation
3Install the slow jetTighten securely
4Install the main jet into the needle jet holder and tighten securely; then install the needle jet and needle jet holder assembly into the carburetor and tighten securely5Place the float assembly (with float valve) into position and secure to the carburetor with the float pin