Fuel Level Adjustment - Yamaha TTR250L Service Manual

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CARBURETOR

FUEL LEVEL ADJUSTMENT

1.Place the motorcycle on a level place.
2.Use a suitable stand under the frame and
engine to ensure that the carburetor is
positioned vertically.
3.Connect the fuel level gauge 1 to the
float chamber drain pipe.
Fuel level gauge:
P/N. YM-01312-A
4.Turn the fuel cock to "ON" or "RES".
5.Loosen the drain screw 2.
6.Hold the gauge vertically next to the float
chamber mating surface (front).
7.Measure:
Fuel level a
Out of specification → Adjust.
Fuel level:
7.5 ~ 9.5 mm (0.30 ~ 0.37 in)
Below the float chamber mating
surface (front)
8.Adjust:
Fuel level
*********************************
Adjustment steps:
Remove the carburetor.
Inspect the valve seat and needle valve.
If either is worn, replace them both.
If both are fine, adjust the float height by
bending the float tang 1 on the float.
Recheck the fuel level.
*********************************
5 - 10
CARB

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