2008 Arctic Cat 366 ATV Service Manual, Page 81Get this manual

2008 Arctic Cat 366 ATV Service Manual, Page 81

KC0022A KC0019A 7Place the U-ring into the pump housingPosition the spring and diaphragm assembly (lip toward the carburetor)
armCC748 KC264A ! CAUTION It is important to press down on the pump housing until it contacts the carburetor to make sure
the diaphragm lip is properly seated in the groove in the carburetorIf the diaphragm is not properly seated, leakage will
occur 8Place the jet needle, spring seat, and spring into the vacuum piston; then place the assembly down into the carburetor