Reed Valve - Yamaha YZ250(V) Owner's Service Manual

CARBURETOR AND REED VALVE
4-12
EC464600
Float
1. Inspect:
9 Float 1
Damage ¡ Replace.
EC464701

Reed valve

1. Measure:
9 Reed valve bending a
Out of specification ¡ Replace.
Reed valve bending limit:
0.2 mm (0.008 in)
9 Valve stopper height b
Out of specification ¡ Adjust stopper/
Replace valve stopper.
Valve stopper height:
10.3 ~10.7 mm (0.406~0.421 in)
EC465000
ASSEMBLY AND INSTALLATION
EC465173
Reed valve
1. Install:
9 Reed valve 1
9 Stopper (reed valve) 2
9 Screw (reed valve) 3
NOTE:
9 Install the reed valve with the reed valve bend-
ing as shown.
9 Note the cut a in the lower corner of the reed
and stopper plate.
cC
Tighten each screw gradually to avoid
warping.
ENG
1 Nm (0.1 m•kg, 0.7 ft•lb)