Yamaha YZ250(W)/W1 Owner's Service Manual page 244

CARBURETOR AND REED VALVE
4-13
2. Install:
9 Gasket (reed valve) 1
9 Plate (reed valve) 2
9 Reed valve assembly 3
9 Reed valve spacer 4
NOTE:
Install the reed valve spacer with its chamfered
side a to the right.
3. Install:
9 Carburetor joint 1
9 Bolt (carburetor joint) 2
EC4652F0
Carburetor
1. Install:
9 Power jet 1
To carburetor 2.
2. Install:
9 O-ring 1
9 Solenoid valve 2
To carburetor.
cC
9 Before installing the solenoid valve, blow air
on the solenoid valve and its installing loca-
tion on the carburetor in order to remove
any foreign particles such as chips etc.
9 Apply the engine oil on the solenoid valve
thread.
ENG
10 Nm (1.0 m•kg, 7.2 ft•lb)