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Troubleshooting - Yamaha YZ 2023 Series Owner's Service Manual

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EAM30349

TROUBLESHOOTING

• The fuel level warning light does not come on.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Side cover (left/right)
3. Air scoop (left/right)
4. Fuel tank
1. Check the fuse.
Refer to "CHECKING THE FUSES"
on page 8-49.
OK
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-50.
OK
3. Check the main relay.
Refer to "CHECKING THE RE-
LAYS" on page 8-51.
OK
4. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-13.
OK
This circuit is OK.
Check the signaling system
The fuel level warning light fails to come on.
1. Check the fuel level warning light
bulb and socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
8-49.
OK
2. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-56.
OK
3. Check the resistor.
Refer to "CHECKING THE RESIS-
TOR" on page 8-56.
OK
SIGNALING SYSTEM
Replace the fuse(s).
NG
• Clean the battery terminals.
• Recharge or replace the battery.
NG
Replace the main relay.
NG
Properly connect or repair the signaling
system's wiring.
NG
Replace the fuel level warning light bulb,
socket or both.
NG
Replace the fuel pump assembly.
NG
Replace the resistor.
NG
8-15

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Yz250fx 2023Yz250fxp 2023

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