2011 Arctic Cat 366SE ATV Service Manual, Page 68Get this manual
6Place the float chamber into position making sure the O-ring is properly positioned; then secure with the Phillips-head screws
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
KC0063A