Yamaha YZ250(W)/W1, Owner'S Service Manual

Page: 248 / 596

4-15
ENG
CARBURETOR AND REED VALVE
8. Install:
9 Air vent hose [
/
=580 mm (22.8 in)]
1
9 Air vent hose [
/
=400mm (15.7 in)]
2
9
Overflow hose [
/
=280mm (11.0 in)]
3
9 Clamp
4
Refer to “CABLE ROUTING DIAGRAM”
section in the CHAPTER 2.
NOTE:
Install the air vent hoses and overflow hose to
the carburetor with their ends not having the cuts
a
toward the carburetor.
9. Install:
9 Jet needle
1
9 Collar
2
9 Spring
3
9
Needle holder 4
To throttle valve
5
.
NOTE:
Install the spring with its smaller dia.
a
facing
the collar.
7. Install:
9 Float chamber
1
9 Plate
2
9 Screw (float chamber)
3
1P8-9-32-4a 4/10/06 1:53 PM Page 30