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Kawasaki KZ1300-A1 Quick Reference Manual Page 244

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MAINTENENCE--ELECTRICAL
on the clutch lever holder is designed to prevent starter
motor operation unless the clutch is disengaged. When
the ignition switch is on, the clutch lever is pulled (the
starter lockout switch is on), and the starter button is
pushed,
a small amount of current flows through the
switch and the relay coil. This current magnetizes the
relay core, which then
pulls
the armature to it, closing
the relay contacts.
The closed contacts complete a
circuit for the starter motor, and the motor turns. The
reason for using a relay instead of using the switch to
turn on the starter motor directly is that the starter
motor requires much current
-
enough that relatively
thick wire is necessary to carry the current to the starter
motor. Because it is not practical to
put
a heavy switch
on the handlebar and have large wires running to
it,
the
starter switch is made to carry just the light relay coil
current,
and heavy contacts inside the relay carry the
starter motor current.
~ ::=~e~~ ~~ela::;e~o~:~:~ ~~~~~~
any
time
that the starter motor will not
turn
over, or
the current
may bum
out the
starter
motor windings.
Starter Motor Circuit
Black Starter Relay
Starter
Lockout
Switch
Starter
relay test
Starter
Button
Engine
Stop Switch
Brown
Remove
the tool tray, disconnect
both
starter motor
lead to the starter relay, and connect an ohmmeter
set to the x 1
n
range across the relay terminals.
Pulling
the clutch lever,
push
the starter button, and see if the
meter reads zero
ohms.
If the relay makes a single
clicking sound and the meter reads zero, the relay is
good. If the relay clicks
but
the meter does not read
zero, the relay is
defective
and must
be
replaced.
A. Starter Relay
B. Disconnect the lead
to
the starter motor.
Starter Relay Contact Test
Starter Relay
c::::zJ
Pxln
+
Ohmmeter
Starter
Lockout
Switch
Starter
Button
Engine
Stop
Switch
Ignition
Switch
Main Switch
If the relay does not click at all, disconnect the
other two leads (black and yellow/red) from the starter
relay, and measure the resistance
across
them. There
should
be
a few ohms resistance.
If
the resistance is
infinity (no reading) or zero ohms, the relay is
defective.
A.
Starter Relay Leads
244

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