Yamaha FZS600'98 Service Manual page 213

CARBURETORS
EB600062
MEASURING AND ADJUSTING THE FUEL
LEVEL
3
2
6-9
1. Measure:
S fuel level a
Out of specification ! Adjust
Fuel level (above the float
chamber mating surface)
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 float chamber.
f. Measure the fuel level a .
NOTE:
Fuel level readings should be equal on both
sides of the carburetor assembly.
2. Adjust:
S 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
slightly 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.
CARB