Yamaha YZ125 2022 Owner's Service Manual page 228

8. Install:
• Air vent hose [L = 580 mm (22.8 in)] "1"
• Air vent hose [L = 400 mm (15.8 in)] "2"
Refer to "CABLE ROUTING DIAGRAM" on
page 2-15.
TIP
Install the air vent hoses to the carburetor with
their ends not having the cuts toward the carbu-
retor.
1
1
2
9. Install:
• Jet needle "1"
• Collar "2"
• Spring "3"
• Jet needle holder "4"
(to the throttle valve "5")
5
10.Install:
• Throttle cable "1"
• Locknut "2"
Locknut (throttle cable carburetor
side)
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
1
1
2
1
4
2 3
7-9
• Mixing chamber top "3"
• Gasket "4"
New
• Throttle valve spring "5"
• Ring "6"
• Throttle valve "7"
• Jet needle "8"
TIP
• While compressing the spring, connect the
throttle cable.
• Align the projection "a" on the ring with the
groove "b" in the throttle valve "7".
2
6
3
7
5
5
6
1
b
11.Install:
• Mixing chamber top "1"
• Bolt (mixing chamber top) "2"
(to the carburetor "3")
TIP
• Insert the throttle valve into the carburetor body
while pulling up the lever "4".
• After installing, check the throttle valve for
smooth movement.
CARBURETOR
1
4
3
6
a
8
7