Assembly And Installation - Yamaha YZ-Serie Fahrer- Und Wartungshandbuch

CARBURETOR AND REED VALVE
5PA40220
5PA40230
5PA40240
5PA40250
4 - 11
Valve stopper height b
G
Out of specification → Replace.
Valve stopper height:
7.4 ~ 7.8 mm (0.291 ~ 0.307 in)
EC465000

ASSEMBLY AND INSTALLATION

Reed valve
1. Install:
Reed valve 1
G
Reed valve stopper 2
G
Screw (reed valve) 3
G
1 Nm (0.1 m · kg, 0.7 ft · lb)
NOTE:
Install the reed valve with the reed valve
G
bending as shown.
Note the cut a in the lower corner of the
G
reed valve and stopper.
CAUTION:
Tighten each screw gradually to avoid
warping.
2. Install:
Reed valve assembly 1
G
NOTE:
Install the reed valve assembly with its projec-
tion a facing upward.
3. Install:
Carburetor joint 1
G
Bolt (carburetor joint) 2
G
8 Nm (0.8 m · kg, 5.8 ft · lb)
ENG