Measuring And Adjusting The Fuel Level - Yamaha BT1100 2002 Service Manual

CARBURETOR
EB600063
MEASURING AND ADJUSTING THE FUEL
LEVEL
1. Measure:
• fuel level a
Out of specification
Fuel level (above the line
on the float chamber)
4 5 mm
a. Stand the motorcycle on a level surface.
b. Place the motorcycle on a suitable stand to
ensure that the motorcycle is standing straight
up.
c. Install the fuel level gauge 1 to the fuel drain
pipe 2.
Fuel level gauge
90890-01312
d. Loosen the fuel drain screw 3.
e. Hold the fuel level gauge vertically next to the
upper face of the float chamber 4.
Measure the fuel level a.
f.
NOTE:
Fuel level readings should be equal on both sides
of the carburetor assembly.
2. Adjust:
• fuel level
a. Remove the carburetor assembly.
b. Check the needle valve seat and needle
valve.
c. If either is worn, replace them as a set.
d. If both are fine, adjust the float level by slight-
ly bending the float tang 1.
e. Install the carburetor assembly.
f. Measure the fuel level again.
g. Repeat steps (a) to (f) until the fuel level is
within specification.
5-7
CARB
Adjust.