Yamaha EF7000 Service Manual page 117

CHARGING SYSTEM (EF7000E/EF7200E/EF7200DE)
4. Charging coil resistance
9 Disconnect the charging coil leads.
9 Connect the pocket tester (W × 1).
W
G/R
9 Measure the charging coil resistance.
Charging coil resistance:
White 1–Ground 2:
2.0 W ± 20 %
Green/Red 3–Ground 2:
1.8 W ± 20 %
MEETS
SPECIFICATION
Replace the regulator.
1
3
2
OUT OF
SPECIFICATION
Replace the charging coil.
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ELEC