2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 100Get this manual
FUEL SYSTEMCARBURETION CARBURETOR DISASSEMBLY CONT'D 2Remove float bowl and carefully remove the pressed float pinSupport Here Pilot Screw NOTE: The starter jet is not removeableUpon disassembly, place the parts in container for safe keeping
Starter Jet
NOTE: Be careful not to damage the float pin tower during the float pin removalSupport the float pin tower while removing the float pinThis helps to prevent the float pin towers from breaking off3Remove inlet needle seat retaining screw along with plate, and carefully remove needle seatNOTE: Do not use pliers to remove the seat or permanent damage may occur