Balancing The Carburetors - Suzuki GS850G Service Manual

FUEL SYSTEM d CARBURETORS
Balancing
f
he carburetors
The four carburetors must
be
balanced after
disassembling the
engine
or the carburetors.
As
a first step, calibrate the carburetor
balancer gauge
@
(special tool) as follows:
1. Remove
the
vacuum inlet screw (Allen
bolt) on No. 4 carburetor or No. I
cas-
buretor intake
pipe using a
4
rnm hexagon
wrench (special
tool),
and install the
adaptor
@
(special
2001)
in the screw hole.
2. Connect one of the four rubber hoses of
the balance
gauge
to
this adaptor,
3. Start
up
the engine, and keep i t running at
1500-2000 r/min.
Hexagon wrench
4 rnm
0991 1-70130
Fig. 9-30
Carburet or
balancer
set
4. 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.
09913-13121
Fig. 9-31
5 . After finishing with
one hose, connect
the
adapter
to the next hose and, by adjusting
the next air screw, bring
the
steel ball in
that tube to the center line.
Repeat
the process
on the third and fourth
tubes. The balancer gauge is now
ready
for
use in balancing the carburetors.
Fig. 9-31
Remove the
respective
vacuum inlet
screws
and insert
the
adaptcrs
in the holes. Connect
the balances
gauge
hoses
to
these adaplors,
one
hose to
one adapter, and balance the four
carburetors as
follows: