Yamaha F150B - Checking the Rectifier Regulator

5-27
ELEC
Electrical system
Checking the Rectifier Regulator
If the battery cables are connected in
reverse, the Rectifier Regulator can be
damaged.
1. Disconnect the Rectifier Regulator cou-
pler a, and then connect the test har-
ness (3 pins) a.
2. Measure the Rectifier Regulator output
peak voltage.
TIP:
Do not use peak voltage adapter B when
measuring the Rectifier Regulator output
peak voltage.
3. Disconnect the test harness a and light-
ing coil coupler.
4. Make sure to set the measurement range
b, and display the mark c by pushing
the switch d.
A
Tester model CD721
B Tester model CD731a
5. Check the Rectifier Regulator for continu-
ity. Replace if out of specification.
Test harness (3 pins) a: 90890-06846
Rectifier Regulator output peak voltage:
Red (R)–Ground
r/min
Loaded
1500 3500
DC V 13.0 13.0
R
R
RR
B
B
a
a
a
b
c
d
A
b
c
d
B
e
f
g
h
k
m
e
f
g
h
k
m