2009 Arctic Cat 150 ATV Service Manual, Page 60Get this manual
! CAUTION DO NOT place any non-metallic components in parts-cleaning solvent because damage or deterioration will result
1Place all metallic components in wire basket and submerge in carburetor cleaner2Soak for 30 minutes; then rinse with clean, hot water3Wash all non-metallic components with soap and waterRinse thoroughly4Dry all components with compressed air only making sure all holes, orifices, and channels are unobstructed5Inspect the carburetor body for cracks, nicks, stripped threads, and any imperfections in the casting6Inspect float for damage7Inspect gasket and O-rings for distortion, tears, or noticeable damage8Inspect tips of the jet needle, pilot screw, and the needle jet for wear, damage, or distortion9Inspect the slow jet and main jet for obstructions or damageNOTE: If the slow jet is obstructed, the mixture will be extremely lean at idle and part-throttle operationTR207A
2Install the slow jetTighten securely3Install the main jet into the needle jet holder and tighten securely; then install the needle jet holder assembly into the carburetor and tighten securely4Place the float assembly (with float valve) into position and secure to the carburetor with the float pin