Suzuki GS850G Service Manual page 142

FUEL SYSTEM& CARBURETORS
TROUBLE SHOOTING
Before adjusting
the
carburetors.
be
sure to check that there is nothing wrong with the engine's compres-
sion,
ignition timing,
and
ignition spark performance.
Complaint Symptom and posrible
causes Remedy
I . Clean.
2. Starter pipe is clogged. 2.
Clean.
3. Air leaking from a joint
between
3 . Check starter body and carburetor
for tightness, adjust
and
replace
gasket.
4. Air leaking from carburetor's joint or
4.
Check and adjust.
vacuum gauge joint.
I
5 . Starter plunger is
not
operating
5.
Check
and
adjusr.
gged
or
1 .
Check and clean.
2. Air leaking from carburetor's joint. 2. Check and adjusr.
vacuum gauge joint, or starter.
3 . Pilot outlet or
bypass
is
clog&.
3. Check and clcan.
4. Starter plunger is not fully
closed.
4. Check and
adjust.
Medium- nr
1 . Main
jet
or main air
jcl is
ctosgcd. I . Check and
clean.
high-speed
2. Needle jet is
dogged.
2. Check
and
clean.
troi~hle 3. Fuel leaking due to
a broken O-ring
3. Replace O-ring.
in needle
jet.
4.
Throttle vaIve is not operating
4. Check throtile valve for operation.
properly.
5. Filter is
clogged.
5. Check and clean.
Ovcrflaw and
E
.
Needle valve is worn or damaged. 1. Replace.
frlel level 2 . Spring in needle valvc is
broken.
2. Replace.
flurtuatickna
3.
Float is
not
working properly.
3. Check and adju~t.
4.
Foreign matter has adhered to needle 4. Clean.
I
valve.
5.
Fuel
[eve! is too
high or !ow,
1
5 . See
page
9-9
.
I