Yamaha VK540EF, Service Manual, Page: 372 / 439

7-26
CHARGING SYSTEM
ELEC
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BATTERY
Inspection
1. Inspect:
S
Battery fluid level
Below lower level
Refill.
1 Upper level
2 Lower level
2. Check:
S
Specific gravity
Less than 1.280
Recharge battery.
Battery Storage
The battery should be stored if the vehicle is not
to be used for a long period.
1. Remove:
S
Battery
Battery storage and maintenance tips:
S
Recharge the battery periodically.
S
Store the battery in a cool, dry place.
S
Recharge the battery before reinstalling.
Battery
Electrolyte
Specific gravity: 1.280
at 20
_
C (68
_
F)
Initial charging
rate 1.6 Amp for 10 hours
(new battery)
Recharging
rate 10 hours (or until specific
gravity reaches 1.280)
Refill fluid
Distilled water
(to maximum level line)
Refill period
Check once per month
(or more often as required)
CHARGING COIL
1. Measure:
S
Charging coil resistance
Out of specification
Replace.
Charging coil resistance:
(White – Black)
0.4
Ω ±
20% at 20
_
(68
_
F)