13. IGNITION SYSTEM
SERVICE INFORMATION
TROUBLESHOOTING
IGNITION SYSTEM INSPECTION
IGNITION
COil
IGNITION CONTROL
MODULE
SERVICE INFORMATION
GENERAL
13-1
13·3
13-4
13
-7
13-7
ENGINE STOP SWITCH
IGNITION
TIMING
FLYWHEEl/STATOR
IGNITION SWITCH (AFTER 2000)
13-8
13-8
13·9
13-13
If
the
engine
must
be
running
to
do
som
e
work,
milk"
sure
the
ifrea ;s
well
ventilated. Never
run
the engine
in
an enclosed
area.
The
exhilus!
conreins
poisonous
I;
J
"oon
monoxide
gas
that
mar
cause 10M
of
consciousness
lind
mar
lead
to
death.
Run
th"
""gine
in
an
open
.rea
Or
wi
th an
exhaust
"
1I
,,eU/ltion
s!,.f/em
in
an
ene/asM
IIrea
.
CAUTION:
Som
e el
ec
trical
components
may
be
damaged
if
terminals
Of'
cotlnedors
IJre
connected
or
di$l;l)IInected
while
the
ignition
switch
is
ON
and
currenr
is
presen!.
This section covers serviCf! of the flywheel and
al
t
ernator
. Al l se
Nice
can
be
daM
with
the
engine
installed in the frame.
When
se
rvicing the
ignit
ion system, al
way
s
fo
ll
ow
the steps in the
tr
o
ubl
esh
ooting
sequence
on
page '
].].
T
he
ignition
timing does n
ot
nor
ma
lly need
10
be
ad
ju
sted since the
Igni
l
on
Contro
l ModUle (ICM) is fa<;tory
pr
ese
t. m
The
re
M may
be
damaged
if
dropped.
Also
if
the
conn
ector
is discon
ne<:
ted
when
current is
flo
wing.
th
e excessive
v
olt
age may
damage
t
he
modulo.
Always
t
urn
oN the engone
SlOP
switc
h befote
seNking.
A fau
lty
igni
ti
on
system
is
often
rolated to p
oor
connections.
C
h"
c
~
Those
connections b
ef
ore proceeding.
Use a spa
rk
plug
of tho
corrEiC
I heat
ra
nge. Using a spark plug with an oncorrect heal
ra
nge can damage the engine.
SPECIFICATIONS
ITEM
SPEC
IFIC
ATIONS
Spark plug
Standard
NG
K
CR7HSA
DE
NSO
U22FSR·U
For cold
clim
ate
/below
NG
K
CR6HSA
(5
°
C/
41°F)
OEN
se
U20FSR-U
For extended hi
gh
sp<led
NG
'
CR8HS
A
riding
DE
N
Se
U24
FSR
-U
Spa
rk
p
lu
g gap
0.6·0.7
mm (0.
02
4·0.028 in)
I
gnition
coil pe
ak
vo
lt
ag
e 100 V
mini
m
um
I
gnition
pulse genera
tor
peak voltage
0.1
'IJ
min
"
mum
Al
ternator
o
)(
citer
coil
peak
volta
ge 100 V
min
i
mum
I
gnition
tim ing
I"F
"
mar
kl
15
.
5·
at idle
TORQUE VALUES
Flywheel nut 64
N'
m (5.5 kgf·
m.l?
Ib
f·
ft)
Pulse
generat
or
mouming
b
oll
5
No
m
!C.6
k
gf
om. 4.3 I
bf·ft
) Apply locking agent
to
the threads.
13-1