Ignition System Data; Ignition Coils - Suzuki GS850G Service Manual

ELECTRICAL SYSTEM
ELECTRICAL SYSTEM
IGNITION SYSTEM
There are
two
ignition
coils,
two
contact breakers and
t w o
condensers to produce
sparking cnergy
for
the
four
spark plugs.
No.
1
breaker is for Nos. 1 and
4
spark plugs;
and No.
2 breaker
is
for
Nos.
2 and 3 spark
plugs. Each ignition
coil is
connected
to
the plugs as
shown.
When No.
1 piston is on
i t s
compression stroke, No.
4 piston
is
u p on its
exhaust stroke. The
sparking occurring at
the same time in
Nos.
1 and
4 cylinders presents no
problem, and the same
applies to
Nos. 2 and 3 cylinders. Ignition order is 1-2-4-3, counted from left
to right by
the rider
mounted the machine.
I t
should be noted that Nos. 1
and 2 breakers operate 180 degrees
apart
in
terms o f
crank angle.
Schematic
Diagram
nF Ignilion Syszern
1
I
7
=
I I KC) 1 N r ) ? NO 3 NO. 4
I
L
---- --
- - - , -
J
L - -
--- -- -
- - - - - . - - -
---
--- ------
J
('OUT
\(
T R R t
,ZK
TK C P A R K PI.IfC;F
Fig. 12-1
Ignition system data
Spark
tesicr pcrl'ormance
Ignifion coils
Usin2 the electro-tester, test each ignition
coil
for sparking performance. Test connection
is
as indicated. Make sure that the tester
gap is
at
least 8
rnm (0.3 in).
Elcctro
te5ler
(rpecial
09900-28 1 Oh
toot)