Yamaha T135SE Service Manual page 97

CHECKING AND CHARGING THE BATTERY
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Yamaha T135 Service Manual
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a
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3. Disconnect:
9battery leads
(from the battery terminals)
cC
First, disconnect the negative battery lead
1, and then the positive battery lead 2.
4. Disconnect:
9battery breather hose
5. Remove:
9battery
6. Check:
9electrolyte level
The electrolyte level should be between the
minimum level mark a and the maximum
level mark b.
Below the minimum level mark → Add dis-
tilled water to the proper level.
cC
Add only distilled water. Tap water contains
minerals which are harmful to the battery.
7. Check:
9specific gravity
Less than 1.280 → Recharge the battery.
Specific gravity
1.280 at 20 ˚C (68 ˚F)
8. Charge:
9battery
Battery charging amperage and time
0.5 amps/10 hrs
w
Do not quick charge a battery.
CHK
ADJ