Spark Plugs; Fuel Line; Contact Breaker Points; Ignition Timing - Suzuki GS850G Service Manual

SPARK PLUGS
PERIODIC M A INTENA NCE
FUEL LINE
(Replace every two years)
Replace the
fuel hose every
two
years.
At initial 6 000 km, remove the carbon
deposits with a wise
or
pin and adjust the
spark plug gap to 0.6-0.8
mrn (0.024-0.03
1
in).
measuring with
a
thickness gauge.
Replace the plugs every
12 000
krn and
remove the carbon
deposits
and adjust
the
gap
every 6 000 kin after replacing the plugs.
Whenever removing the carbon deposits, be
Fig. 2-1 7
sure to observe the appearance of the
plug,
noting the color of
the
carbon
deposit.
The
CONTACT BREAKER POINTS
color indicates whethet the standard plug is
suitable or
not.
If the standard plug is apt to
get
wet,
a hotter
plug
should be
used.
If the
standard plug is apt to
overheat, with the
porcelain having a whitish appearance,
Check
and
adjust the
contact points as
replace with a colder
one.
outlined on the next page. Inspect the contact
points for wear and burning. If the point
faces are
dirty, wipe them
clean
with a
clean
- -
NOTE:
To check
the spark pltcgs,
keep /he
engine running on unleaded gasoline,
aad
$all
of the four
are
either
sooty
with
carhar~
or
hurt~t white, replace rhem
a l t o ~ e t h e r .
and dry cloth.
I
€ ! I
NORMAL
€L
WCIIIN
7 3
w
N
7
LLEL
- -
I
OT PARA
-
-
I
0
0.6-0.8
m m
0
Gap (0.024-0.031
in)
I
Fig.
3-18
IGNITION TIMING
Dl
R T Y
-
-
1000 6000 12 000 18 000 24 000km
600 4 000 7 500 11 000 15 000 miles
Ignition timing
specifications
I
Point gap
Spark plug
gap
Fig. 3-16
Ignition timing
17"
B.T.D.C. &low
1
500
r/rnin
and
3 7 ' I3.T. D.C.
above
2
S m
r/min
I