Yamaha RS90GTZ Service Manual page 410

FUEL METER AND/OR FUEL LEVEL WARNING INDICATOR AND/OR WARNING LIGHT DO
Check the main fuse and ignition fuse.
Refer to "FUSE INSPECTION" in CHAPTER 2.
OK FAULTY
Check the battery.
Refer to "BATTERY INSPECTION" in CHAPTER 2.
OK OUT OF SPECIFICATION
Check the engine stop switch and main switch.
Refer to "IGNITION SYSTEM".
OK FAULTY
Check the fuel sender.
OK FAULTY
Check the signal system wiring.
Refer to "CIRCUIT DIAGRAM".
OK FAULTY
Correct the connection and/or replace the
speedometer unit and/or ECU.
SIGNAL SYSTEM
NOT COME ON.
Replace the main fuse and/or ignition fuse.
Replace or charge the battery.
Refer to "BATTERY INSPECTION" in CHAP-
TER 2.
Replace the right handlebar switch and/or
main switch.
Replace the fuel sender.
Properly connect or repair the signal system
wiring.
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