Yamaha RS90K Manuel D'atelier page 660

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W W W
CHARGING SYSTEM
BATTERY
Inspection
1. Inspect:
• Battery condition
Refer to "BATTERY INSPECTION" in CHAP-
TER 2.
Battery Storage
The battery should be stored if the machine is not
going to be used for a long period.
1. Remove:
• Battery
WARNING
When removing the battery, disconnect the
negative lead first.
Battery storage and maintenance tips:
• Recharge the battery periodically.
• Store the battery in a cool, dry place.
• Recharge the battery before reinstalling.
Refer to "BATTERY INSPECTION" in CHAPTER
2.
A.C. MAGNETO
1. Disconnect:
• A.C. magneto coupler 1
2. Connect:
• Pocket tester
(to A.C. magneto coupler)
3. Measure:
• Stator coil resistance
Out of specification → Replace.
+
8-19
ELEC
Stator coil resistance:
0.22 ~ 0.26 Ω at 20 °C (68 °F)
(White – White)
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