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

Page: 250 / 596

4-16
ENG
CARBURETOR AND REED VALVE
11. Install:
9
Mixing chamber top
1
9 Screw(mixing chamber top)
2
To carburetor
3
.
NOTE:
9 Insert the throttle valve into the carburetor body
while pulling up the lever
4
.
9 After installing, check the throttle grip for
smooth movement.
EC465391
Carburetor installation
1. Install:
9 Carburetor
1
NOTE:
Install the projection between the carburetor joint
slots.
10. Install:
9 Throttle cable
1
9 Locknut
2
9 Mixing chamber top
3
9 Spring (throttle valve)
4
9 Ring
5
9 Throttle valve
6
NOTE:
9 While compressing the spring, connect the
throttle cable.
9
Align the projection
a
on the ring with the
groove
b
in the needle holder
7
.
4 Nm (0.4 m•kg, 2.9 ft•lb)
1P8-9-32-4a 4/10/06 1:53 PM Page 32