Solenoid Valve System; Troubleshooting - Yamaha YZ250X 2022 Owner's Service Manual

EAM20196

SOLENOID VALVE SYSTEM

EAM30581

TROUBLESHOOTING

If the solenoid valve will not operate, use the following inspection steps.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel tank
Use 12 V battery in this inspection.
1. Check each couplers and wire con-
nection.
OK
2. Check solenoid valve. (Check sole-
noid valve operation. Solenoid
valve coil)
Refer to "CHECKING THE SOLE-
NOID VALVE OPERATION" on
page 8-10 and "CHECKING THE
SOLENOID VALVE COIL" on page
8-10.
OK
3. Check CDI magneto. (Source coil)
Refer to "CHECKING THE
SOURCE COIL" on page 8-9.
OK
Replace the CDI unit.
SOLENOID VALVE SYSTEM
Reconnect.
NG
Replace the solenoid valve.
NG
Replace the source coil.
NG
8-3