Advertisement
14. Ignition System/ Alternator
Service Information
Troubleshooting
COi
Unit
Service Information
General
14-
1
14-2
14-3
Ignit ion coil
Alternator
Ignition Timing
14-4
14-5
14-8
If
the engine
must
be
running to do
some
work,
make
sure the
area is well-ventilated. Never
run
the engine in an
enclos-
ed area.
The
exhaust contains
poisonous carbon monoxide gas that may
cause
loss of consciousness and lead to
death
.
•
The
COi
unit
may
be
damaged
1
f
dropped.
Also,
if
the
connector is disconnected when current is
present,
the excessive
voltage may damage the unit.
•
Ignition
timing
cannot
be adjusted since the
COi
unit is
non-adjustable.
If
igniT1
on
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
a spark plug of
the
correct
heat range. Using a spark plug with an incorrect heat range can
damage
the
engine.
•
Replace
the pulse
generator,
exciter coil and stator base as a
set.
Specifications
Item
Standard
Spark
plug
Standard
CHAMPION
ON84
NGK
BR9EG
NIPPONDENSO
W27ESR-V
Optional
CHAMPION
QN59G
NGK
BR9EV
NIPPONDENSO
W27ESR-G
Spark
plug gap
0.5
-
0.6 mm (0.020-0.024
in)
Ignition timing "F"mark
I -
30
±
2°
15,000
rpm
Ignition
coil resistance
Primary
0.4
o.6
n
(At
20°C/
68°F)
Secondary
with plug cap
14-
23
kll
without plug cap
10-
16 k!l
-
-
Alternator
exciter coll resistance
(At
20°C/
68°F)
20-
140 0
Pulse generator
resistance
(At
20°C/
68°F)
Torque
V
alues
Alternator
cover
screw
Flywheel nut
Tools
Common
Flywheel
puller
Universal holder
180
280
0
4
N•m
(0.4 kg-m,
2.9
It-lb)
55
N•m
(5
.5
kg-m
,
40 ft lb)
07733-
0010000
07725
-
0030000
or equ1valenc commercially available in
U.S.A.
RICIERED
· -
'
-
14-1
Advertisement
