Yamaha Motor YZ250 N/LC 2001 Manuel D'atelier Du Proprietaire page 242

CARBURETOR AND REED VALVE
4-16
11. Install:
9Mixing chamber top 1
9Screw(mixing chamber top) 2
To carburetor 3.
NOTE:
9Insert the throttle valve into the carburetor body
while pulling up the lever 4.
9Pass the throttle cable 5 at the front (on the
cylinder side) of the air vent hose.
9After installing, check the throttle grip for
smooth movement.
EC465390
Carburetor installation
1. Install:
9Carburetor 1
NOTE:
Install the projection between the carburetor joint
slots.
2. Tighten:
9Screw (air cleaner joint) 1
9Screw (carburetor joint) 2
3. Connect:
9TPS (throttle position sensor) lead 1
9Solenoid valve lead 2
Refer to "CABLE ROUTING DIAGRAM"
section in the CHAPTER 2.
4. Adjust:
9Idle speed
Refer to "IDLE SPEED ADJUSTMENT"
section in the CHAPTER 3.
ENG