Yamaha SXV70SJ, Supplementary Service Manual

Page: 311 / 576

7-7
CARB
CARBURETORS
Measurement and adjustment steps:
•
Hold the carburetor upside down.
•
Measure the distance between the carburetor
body and top of the floats.
NOTE:
The float arm should resting on the needle valve
without exerting pressure on it.
•
If the float height is not within specification, in-
spect 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 arm tang
1
on the float.
•
Recheck the float height.
3. Install:
•
Return springs
1
•
Carburetors (No.1, No.3)
NOTE:
Hook the spring hooks
2
to the projections on the
connecting lever
3
and carburetor body
4
while
twisting the spring clockwise approximately 315 de-
grees.
SCH7100
SCH7110
SCH7120