Yamaha YZ250 2022 Owner's Service Manual page 220

Disassembling the carburetor
Order Job/Parts to remove
16 Throttle stop screw
17 Pilot air screw
18 Plug
19 Float chamber
20 Float pin
21 Float
22 Needle valve
23 Main jet
24 Pilot jet
25 Power jet
16
25
24
22
23
21
20
19
18
7-5
CARBURETOR
17
Q'ty Remarks
1
1
1
1
1
1
1
1
1
1