Yamaha EH63 - Charging System; Checking the Stator Coil Assembly; Checking the Rectifier;Regulator

CHARGING SYSTEM
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ELECTRICAL
CHARGING SYSTEM
CHECKING THE STATOR COIL ASSEMBLY
1. Remove:
• Stator coil assembly
(Refer to “FLYWHEEL AND STATOR COIL
ASSEMBLY” on page 3-20.)
2. Check:
• Stator coil assembly resistance
Out of specification  Replace.
a. Connect the digital circuit tester () to the stator
coil assembly.
b. Measure the stator coil assembly resistance.
CHECKING THE RECTIFIER/REGULATOR
1. Remove:
• Rectifier/regulator
(Refer to “RECTIFIER/REGULATOR” on page
3-13.)
Stator coil assembly resistance:
0.2  ± 20 % at 20 C (68 F)
Digital circuit tester (CD732):
90890-03243
Model 88 Multimeter with tachometer:
YU-A1927
• Positive tester probe 
Connector terminal
• Negative tester probe 
Connector terminal