Yamaha YZ125X 2021 Owner's Service Manual page 223

2. Install:
• Starter plunger "1"
3. Install:
• Main jet holder "1"
• Main jet "2"
• Pilot jet "3"
• Valve seat "4"
• Valve seat holding screw "5"
4. Install:
• Needle valve "1"
• Float "2"
• Float pin "3"
• Float pin screw "4"
• Needle jet cover "5"
TIP
• After installing the needle valve to the float, in-
stall them to the carburetor.
• Check the float for smooth movement.
5. Install:
• Float chamber "1"
• Plate "2"
• Screw (float chamber) "3"
6. Install:
• Jet needle "1"
• Needle holder "2"
(to throttle valve "3")
7. Install:
• Throttle cable "1"
• Locknut "2"
Locknut (throttle cable carburetor
side)
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
• Mixing chamber top "3"
• Spring (throttle valve) "4"
• Ring "5"
• Throttle valve "6"
TIP
• While compressing the spring, connect the
7-8
CARBURETOR