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KAWASAKI ZX400-H2 Quick Reference Manual Page 37

Quick reference guide (part 3).
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15-16 ELECTRICAL SYSTEM
e Repeat the above three steps for other two yellow leads
(in connector 2
which
leads to the
regulator/rectifier».
* Replace the regulator/rectifier if the bulb does not
light
as described
above.
NOTE
o
The above test is not foolproof.
If the above checks
show the regulator/rectifier is not damaged, but there is
still trouble in the charging system,
first
carefully inspect
the
alternator, battery,
wiring, and all
connections .
Replace
the regulator/rectifier if all these other
components turn out
good.
Regulator/Rectifier Output Voltage Inspection
eCheck the battery condition (see Battery
section).
eWarm up the engine to
obtain
actual alternator operat
-
ing conditions.
e Remove the seat.
eCheck that the
ignition
switch is turned off, and connect
the hand tester as shown in table.
Regulator/Rectifier Output/Voltage
Meter
Connections
Reading
Range
Meter (+) to
Meter (-) to
Battery
25V DC
Battery
(+)
Black/Yellow
Voltage
-
(Connector 5)
14
,..,
15 V
eStart the engine, and note the voltage readings at
various
engine
speeds with the headlight turned on and
then turned off.
The readings should show nearly
battery voltage when the engine speed is low,
and,
as
the engine speed
rises,
the readings should also rise.
But they must be kept under the specified vo
ltage.
eTurn off the ignition switch to stop the engine, and
disconnect the hand
tester.
*If the
regulator/rectifier
output voltage is kept between
the values given in
table,
the charging system is
considered to be working
normally.
*If the output voltage is much higher than the values
specified in the table, the regulator/rectifier is
defective
or the regulator/rectifier leads are loose or open.
*If the battery voltage does not rise as the
engine
speed
increases, then the regulator'/rectifier is defective or the
alternator output is insuffi cient for the loads. Check the
alternator and regulator/rectifier to detennine which part
is defective.
Ignition System
.
'
A WARNING
.
Th e
ig nitio n
system prod uces extremely
hig h
v
oltag e .
Do not touch the sp
ark
p
lugs.
ig ni t io n co
ils.
o
r
spa r k
plug leads wh
i le
the eng
ine
is
r
u n n in g. or you could
receive a sever e
electrical
shock.
CAUTION
Do not disconnect the battery leads or any other
electrical connect
ions
when
t
h e ig n itio n swi
tch
is o
n
.
or while
t
h e engine is runn
ing .
This is
t
o
prevent
IC
ig nit er
damage.
Do not
i
n st all
the
ba
ttery backwards.
The
negative
side is grounded.
Th
is
is to prevent damage to the
diodes and IC
igniter.
Pickup Coil Removal
eRemove the pickup coil cover (see Engine Top End
chapter).
e Remove the Allen bolt.
A. Allen Bolt
Installation
eTighten the Allen bolt to the specified torque (see
Exploded View).
elnstall the pickup coil cover (see Engine Top End
chapter).
Pickup Coil Inspection
e
Disconnect
the
pickup coil connector.
eZero an ohmmeter, and connect it to the pickup coil
leads.
* If there is more
resistance
than the
specif ied value,
the
coil has an open lead and must be
replaced.
Much less
than this resistance means the co
il
is shorted, and must
be replaced.

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