Yamaha YP250 Service Manual page 244

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3. Fuel gauge
S Connect the fuel sender to wireharness.
S Move the float to "UP"
S Turn the main switch to "ON".
S Check the fuel gauge needle moves "F" or
"E".
Float position
Float "UP"
1
Float "DOWN" 2
This circuit is not faulty.
1 2
or "DOWN" .
Needle moves
"F"
"E"
MOVES
SIGNAL SYSTEM
NOTE:
Before reading the meter, stay put the float for
more than three minutes respectively at "UP"
or "DOWN".
DOES NOT MOVE
Replace the fuel gauge.
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