Yamaha YZ250 Owner's Service Manual page 250

CARBURETOR AND REED VALVE
4-17
2. Tighten:
9 Screw (carburetor joint) 1
3. Tighten:
9 Screw (air cleaner joint) 1
NOTE:
Place the screw head a with its top as shown
and secure the clamp in alignment with the hori-
zontal line b that passes the center of the car-
buretor bore.
4. Connect:
9 TPS (throttle position sensor) lead 1
9 Solenoid valve lead 2
Refer to "CABLE ROUTING DIAGRAM"
section in the CHAPTER 2.
5. Adjust:
9 Idle speed
Refer to "IDLE SPEED ADJUSTMENT"
section in the CHAPTER 3.
ENG