Yamaha EF7000 Service Manual page 123

9. Main coil AC voltage
9 Disconnect the stator assembly (main
coil) leads and stator assembly (sub coil)
coupler.
9 Connect the pocket tester (AC 120 V) to
the stator assembly (main coil) lead ter-
minal.
9 Start the engine (with no load).
A
B
A EF7200DE
B Except for EF7200DE
Main coil AC voltage:
120 V (White–Red):
26 V
240 V (White–Blue):
51 V
220 V (White–Red):
36 V
230 V (White–Red):
36 V
MEETS
SPECIFICATION
GENERATOR SYSTEM
OUT OF SPECIFICATION
L
R
W
AC120V
R
W
AC120V
5-48
10. Main coil resistance
9 Connect the pocket tester (W × 1) to the
stator assembly (main coil) lead.
A
B
A EF7200DE
B Except for EF7200DE
Main coil resistance:
120 V (White–Red):
0.218 W ± 10 %
240 V (White–Blue):
0.507 W ± 10 %
220 V (White–Red):
0.503 W ± 10 %
230 V (White–Red):
0.503 W ± 10 %
OUT OF
SPECIFICATION
Replace the stator assembly.
ELEC
L
R
W
Ω×1
R
W
Ω×1