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Regulator/rectifier Inspection - Kawasaki ZR-7S Service Manual

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14-28 ELECTRICAL SYSTEM
Charging System
White Lead Terminal (A]
Brown Lead Terminal [B]
A
C
Black/Yellow Lead Terminal [C]
Yellow 1 Lead Terminal (OJ
Yellow 2 Lead Terminal [E]
Yellow 3 Lead Terminal {F]
Regulator/Rectifier Inspection
Rectifier Circuit Check
• Remove the fuel tank (see Fuel System chapter).
• Disconnect the connector [A] from the regulator/rectifier.
D
E
F
• Connect the hand tester to the regulator/rectifier as shown
in the table, and measure the resistance of the respective
diodes in both directions, in the sequence in the table.
*
The measured resistance should be small in one direction
and 10 or more times in the other direction. If the mea-
sured resistance of any of the two wires (White or Yellow)
is small or large in both directions, the rectifier is dam-
aged; therefore, replace the regulator/rectifier.
Rectifier Circuit Inspection
Connecting terminal
Tester
Tester
Tester-
Standard
positive
negative
range
(+) terminal
(-) terminal
1
Y1
2
Y2
W
3
Y3
4
Y1
5
Y2
BKIY
6
Y3
Approximately
x
10
n
~
Y1
1/2 of
the
entire
0'
~
W
Y2
graduation
x
100
n
9
Y3
~
Y1
11
BKlYW
Y2
f,,-
Y3
NOTE
OThe actual resistance measurement varies with the
tester used and the individual diodes, Generaffy speak-
ing, it is acceptable if the tester's indicator swings
approximately halfway.

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