Suzuki GS850G Service Manual page 306

INSPECTION
FLOAT HEIGHT ADJUSTMENT
To check the float height, invert the carburetor
body. With the float arm kept free, measure the
height while float arm is just in contact with
needle valve by using the caliper. Bend the
tongue [i, as necessary to bring the height
j 2
t o
this value.
Be sure to remove the gasket before
meas-
uring the height.
Float height
NEEDLE VALVE
I f foreign matter is caught between the valve
seat and the needle, the gasoline will continue
flowing and cause it to overflow. I f the seat and
needle are worn out beyond the permissible
22.4
-t
f ,O rnm
(0.88
k
0.04 in)
limits, similar trouble will occur. Conversely, if
the needle sticks,
the
gasoline will not flow
into
the float chamber.
Remove the carburetor, float chamber and
floats, and clean the float chamber and float
parts with gasoline. if the needle is worn
as
shown below, replace it together with a valve
seat. Clean the
fuel
passage of the mixing
chamber with compressed air.
m
Check following items for any damage or
clogging.
*
Pilot jet
*
Main jet
*
Main air
jet
Pilot air jet
"
Need te jet air bleeding hole and
O-ring
*
Float
"
Needle
valve mesh
*
Diaphragm
"
Gasket
"
Throttle valve shaft oil seals
*
Drain plug O-ring
*
Starter chamber gasket
*
Pilot outlet and
bypass
holes