Yamaha FJR1300R Service Manual page 524

NOTE:
@
Make sure the battery is fully charged.
@
• Is the charging voltage within specification?
NO
EAS00776
4. Stator assembly resistance
• Remove the generator cover.
• Connect the pocket tester (Ω × 1) to the sta-
tor assembly coupler as shown.
Tester positive probe → white 1
Tester negative probe → white 2
Tester positive probe → white 1
Tester negative probe → white 3
W W W
• Measure the stator coil resistances.
Stator coil resistance
0.15 ~ 0.23 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
assembly.
8 - 28
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.