Polaris 2003 Pro X Service Manual page 117

Mikuni TM-38 / TM-40 Carburetor Service
Carburetor Disassembly Cont.
10. Remove water trap/drain plug (17 mm) and single screw
on bottom of carb.
11. Remove float body
NOTE: Float body will not come off unless water trap/drain
plug, which is threaded and screws into main jet housing, is
removed.
12. Remove 2 screws holding float/needle & seat assembly
in position. Remove float/needle & seat assembly.
13. Inspect needle for wear.
NOTE: Needles are not available separately. If needle is
bad, you must replace float/needle & seat assembly.
CARBURETION
3.19