Yamaha XV1700P Service Manual page 475

• Is the charging voltage within specifica-
tion?
NO
EAS00776
4. Stator coil resistance
• Remove the generator cover.
• Disconnect the stator coil assembly cou-
pler from the rectifier/regulator.
• Connect the pocket tester (Ω × 1) to the
stator coil assembly coupler as shown.
Positive tester probe → white 1
Negative tester probe → white 2
Positive tester probe → white 1
Negative tester probe → white 3
1
2
3
W W W
• Measure the stator coil resistances.
Stator coil resistance
0.12 ~ 0.20 Ω at 20 °C (68 °F)
• Is the stator coil OK?
YES
CHARGING SYSTEM
YES
The charging circuit
is OK.
Ω× 1
+
NO
Replace the stator
coil assembly.
7 - 37
EAS00779
5. Wiring
• Check the wiring connections of the entire
charging system.
Refer to "CIRCUIT DIAGRAM".
• Is the charging system's wiring properly
connected and without defects?
YES
Replace the rectifier/
regulator.
– +
ELEC
NO
Properly connect or
repair the charging
system's wiring.