Spark Plug - Suzuki GS-1000 Service Manual

ELECTRICAL SYSTEM
Contact
breakers
SPARK PLUG
Check and
adjust the contact
points as outlined
Spark plugs
ignite
fuel/air mixture in the cy-
an page 3-
10.
Inspect the contact points
for
linder. For
effective
ignition at the required
wear and burning. If the surface of
the points
time, the
correct plugs should always be used
are
dirty, wipe
them clean with
clean,
dry cloth.
and they should be properly adjusted and
clea-
s
Y
ORM
AL
€4
WORN
€7
' d
a
I
NOT PARALLEL
DlRTT
Fig. 11-3.
Condensers
Use
the electro-tester to check each condenser
for capacitance. When checking, be sure
to
tik
the condenser o f f the breaker base plate
by
removing the
screws
securing
it
to
the base.
Condenser
capacitance
0.18pF
Fig. 11-8.
Checking advancing
action
Upon starting up the engine, check engine
speeds
at which the ignition begins
to
advance
OF
retard. Use the
electro tester
{special tool:
09900-28 106).
Fig. I I-5.
ned.
NGK B8ES or NIPPON DENSO W24ES
listed in the above table
should be
used as
the
standard plug. However the heat range of the
plug
should be selected
to
meet the requirements
of speed, actual load, fuel,
etc.
If the plug
needs
to be replaced,
it is
recommended that
one
having
a heat
range closest
to
the standard plug
in the
above table be selected.
NGK
R7ES
I
I
I
Center dectrode
Fig.
ria.
--,,
NI PPON
DENSO
1 W2ZES
Remarks
Jf the stand~rd plug is apt
to
get wct.
replace with
this plug. Hot type.
,
BSES
W24ES
/
Standard
B9ES W27ES
.-
If the standard plug is apt
1 0
overheat. replace
with this plug. Cold
type.