2008 Arctic Cat ATVs factory service and repair manual, Page 327Get this manual
7 Place the U-ring into the pump housing Position the spring and diaphragm assembly (lip toward the carburetor) onto the carburetor, then secure the assembly with the pump housing and three screws Tighten securely
INSTALLING
1 Connect the gas and vent hoses onto the carburetor
2 Connect the electric choke lead to the wiring harness