Yamaha YBR125ED 2005 Service Manual page 300

3. Fuel level gauge
• Set the main switch to "ON".
• Move the float up È or down É.
• Check that the fuel level gauge needle
moves to "F" or "E".
È
É
NOTE:
_
Before reading the fuel level gauge, leave the
float in one position (either up or down) for at
least three minutes.
• Does the fuel level gauge needle move
appropriately?
YES
This circuit is OK.
NO
Replace the meter
assembly.
SIGNALING SYSTEM
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ELEC