Assembly - Yamaha VX500SXBC Service Manual

CARBURETORS

ASSEMBLY

1. Measure:
S Float height a
Out of specification ! Adjust.
Float height:
500
22.3 ± 2.0 mm
(0.878 ± 0.080 in)
700
13.3 ± 2.0 mm
(0.524 ± 0.080 in)
Measurement and adjustment steps:
S Hold the carburetor in an upside down
position.
S Measure the distance between the car-
buretor body and top of the floats.
NOTE:
The float arm should be resting on the valve,
but not compressing the needle valve spring.
S If the float height is not within specifica-
tion, inspect the valve seat and needle
valve.
S If either is worn, replace them both.
S If both are fine, adjust the float height
by bending the float arm tang 1 on the
float.
S Recheck the float height.
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CARB