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5.
ELECTRICAL PARTS
5.
1
Electrical Equipment
l.
Ignition
system
(ignition coil, condenser,
contact
breaker, spark plug!
2.
Generating
system
(A.
C.
dynamo}
3.
R ectifying
system (selenium
rectifier!
4.
Battery
5.
Connected load (lights, horn,
starter)
The electrical equipment are
the
nerve
system of
the motorcycle and perform
the vital functions of
providing
engine
ignition,
lighting
for
night riding
and
horn;
the
malfunction of any one of
these will
adversely effect
the
motorcycle
operation.
There-
fore, careful attention
must be given
to
their mainte-
nance.
5.
2
Power Supply System
Honda 450
employs the battery
ignition sys-
tem, utilizing
the
ignition
coil
and contact
breaker.
The generating
system
is a
special
A.
C.
dynamo
for greater
output.
A
selenium rectifier is
incorpo-
rated
for battery charging and
supplying
power to
the connected loo::fs.
5.
3
Ignition Circuit
A.
Ignition system
In a gasoline engine, the air-fuel mixture is ignited
by some means
at
a precise time during the end
of the
compression
cycle of the piston to produce
combustion to
operd"f
e the engine.
This motorcycle
utilizes a high voltage battery ignition system
(Fig.
5. 1)
B.
Ignition
coil
This motorcycl
e
incorporat es a 180°
type
crank-
shaft.
The
jeft
·
and right cylinders are equipped
w
ith an
independent
ignition coil.
(Fig. 5. 2}
Fig.
5.
1
Ignition system
CD
Battery
@
lgnilion
co
i
l
®
Condenser
Fig. 5.
2
Ignition coil
®
Fuse
©
A.
C
generator
®
Spark
plug
1 I
=
=-
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