Suzuki GS850G Service Manual page 52

ELECTRICAL
Cmplaint
I
Symptom and possible causes
Bemed y
No sparking or
I. Rcfectivc ignition coil.
Replace.
pmr spnrking 2. Defective spark plugs. Replace.
Contact pofnts
Defcctivc condenser. Replace.
I
k n r
or pit
I
I I
prematurely.
Spark plugs soon 1 . Mixture too rich. h ~ i j u s t carburetors.
bccomc
Fouled
I
2. Idling speed get
too
high.
Adlust carbure~ors.
with carbon. 3.
Incorrect ~asoline.
4. Dirty element in air cleaner.
C hanee.
Clean.
,
5 Spark plugs too
cold.
Repalce by hot type plugs.
- - -
Spark plugs I. Worn piston rines. Replace.
become fooled
2 , Pistons or cylinders worn. Replace.
too
soon.
3.
Excesrive clearance
of valve
stems in
valve
guides.
Replace.
Spark plug elec.
trdes overheat
or burn.
I. Spark plups tm hot.
2. The engine orerheats.
3.
Ignition timing out o f adjustrncnt.
4.
Spark
plugs loosc.
5. Mjxturt too lean.
-
Genmfor does
I
1. Opcn or
short in lead \wrcs. or loose lead
not charge. connectlons.
2.
Shorted. prounded nr open generator coils.
3 . Silicon diodes punctured.
4. Shorted rcgulator/rectifier lead wire.
-
Generator dues
,
I. Lead wires tend to
ger
shorter!
or
open
I
charge, bul
circuited or
loosely
connectcd
at
terminals.
charging rate
i s
2. Grounded or open-circuited stator coils of
generator.
3, Defective silicon diodes.
4. Defective regulator/rectifier
5. Not enouph electrolyte in the hartcry.
Replace by cold type
plugs.
Tune up.
Adjust.
Reti~hten.
Adjust carburetors.
Repair
or
replace crr
reti~hten.
Replace.
Rcplace.
Repair or replace.
Repair, or retighten.
Replace.
Replace.
Replace.
Add distilled water
to raise its level.
h. Defective ccll plates in the battery.
Replace the battery.
Internal short-circuit in
rhc
battcry.
Replace the battery.
I
overcharges.
I I I
Unstable
charging
I.
Lcnd wire insuIation frayed duc to vihratiun,
resulting in intermittent shorting.
2. Gcnerator internally shorted.
3.
Defecrive regulator/rcctifier.
Repair or
replace.
Replace.
Replace.
Starter
button
1. Battery run down.
Recharge or replace.
is not effective.
2. Defeaiwe
switch contacts, Replace.
3. Brushes not seating properly an cnmmutato;
Repair nr replace.
in
Starter rnotnr.
Battery I. Charging rate too low
or
too
high.
Replace the battery.
"~ulfatlon" (When
not in use batteries should be
recharged
at least once a month
to
avoid
sulfation.)