Ignition System - Honda CB250N Shop Manual

14.
Ignition
System
Service information 14-1
Ignition Coil
14-7
System
Location
Troubleshooting
Ignition
System
Inspection
14-5
14-3
14-2
Ignition
Timing
Pulse
Generator
Exciter Coi!
14-8
14.-8
14-8
Service Information
•
If
the engine
must
be
running
to
do
some
work,
make
sure the area
is
well-ventilated.
Never run the engine
in
an
en-
closed
area.
-
The exhaust contains
poisonous carbon monoxide
gas
that
may
cause
loss of
consciousness and
may
lead to death.
CAUTION
•
Some
electrical
components
may
be
damaged
if
terminals or connectors are
connected
or
disconnected while the
igrti
tion
switch
is
ON
and
current
Is
present.
.
•
When
checking
the ignition
system, always follow the steps
in
the troubleshooting flow chart {page 14-3).
•
The CDI
unit
may
be
damaged
if
dropped.
Also,
if
the
connector
is
disconnected
when
current
is
present, the excessive
voltage
may
damage
the
unit.
Always
turn off
the
ignition
switch before servicing.
•
Ignition
timing cannot
be
adjusted since the
CDI
unit
is
non-adjustable.
If
ignition
timing
is
incorrect,
check
the
system
components
and. replace
any
faulty
parts..
-
,
-
A
faulty ignition
system
is
often related
to
poorly
connected
or
corroded connectors.
Check
those connections before
proceeding.
.
..
Use spark
plugs of the correct
heat range. Using spark plugs with
an
incorrect
heat range can
damage
the engine. Refer
to section 2
of
the
Common
Service
Manual.
For neutral
switch
inspection, refer
to section 25
of the
Common.
Service Manual.
For
switch location, see
page 14-2 of
this
manual (System
-Location).
For side
stand
inspection, refer
to section
25
of the
Common
Service
manual.
•
For alternator
removal and
installation,
see
section 13.
For engine stop switch and
ignition
switch inspection,
check
for continuity
chart
of
the Wiring Diagram,
page
17-1.
Dis-
connect the
ignition
and engine stop switch connectors
in
the
headlight case.
For side stand
inhibitor
system
instructions, see page
14-4
"NOTE"
of
the troubleshooting.