Suzuki GS850G Service Manual page 310

BALANCING THE CARBURETORS
When any carburetor
has been disassembled or
replaced, check that the negative pressures
(vacuum) in four carburetors are well balanced,
using the carburetor balancer set in the folllow-
ing manner:
1. Place machine on center stand.
2.Afterwarminguptheenginecompletely,re-
move either No. 1 or No. 4 vacuum inlet
screw, using a
4-rnm hexagon
wrench.
0
3. Insert one
of
the four carburetor
balanct
hoses into vacuum inlet.
4.
Start up the engine,
and
keep it running at
1 500
-
2 000 rlmin.
5. Turn the
air screw of the gauge so
that
the
vacuum
acting on the tube of that hose will
bring the steel ball in the tube
to
the center.
Carburetor balancer
set
6. On
the
three other screws, follow the same
procedure
as
above.
7.
Remove
the respective vacuum inlet screws
and insert the adapters in the holes. Connect
the balancer gauge hoses to these adapters,
one hose
to one adapter, and balancer the
four carburetors as follows:
8.
When the balls in No. 1 and
No.
4
carburetor
balancers are on the same level and the other
balls
are on
the lower position as shown be-
low, all the four carburetors are well balanced.
099 1 3- 1 31 2 1
-
If the balls
in
No. 1 and No. 4 or in No.
2
and
No. 3 carburetor balancers are off more than
the radius of the ball, make an adjustment as
dol8ows: