Fuel Level Adjustment - Yamaha Scorpio Service Manual

CARBURETOR

FUEL LEVEL ADJUSTMENT

1.Measure:
Fuel level a
G
Out of specification → Adjust.
Fuel level:
2.7 ~ 4.7 mm below the float
chamber line
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Fuel level measurement and adjustment
steps:
G
Place the motorcycle on a level surface.
G
Use centerstand to ensure that the carbure-
tor is positioned vertically.
Connect the fuel level gauge 1 to the drain
G
pipe 2 using a level gauge adapter.
Fuel level gauge:
90890-01312
Loosen the drain screw 3.
G
Measure the fuel level a with the gauge.
G
G
If the fuel level in incorrect, adjust the fuel
level.
G
Remove the carburetor.
G
Inspect the needle valve.
G
If it is worn, replace it.
G
If it is fine, adjust float level by bending the
float tang b slightly.
G
Install the carburetor.
G
Recheck the fuel level.
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