2007 Buell Lightning: Electrical 7-37
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Load Test
The load test measures battery performance under full
current load and is the best indicator of battery condition. To
load test the battery, proceed as follows:
NOTE
Load testing a discharged battery can result in permanent
battery damage.
1. Always fully charge the battery before testing or test
readings will be incorrect. See BATTERY INSTALLA-
TION AND CONNECTION. Load testing a discharged
battery can also result in permanent battery damage.
2. After charging, allow battery to stand for at least one
hour before testing.
1WARNING1WARNING
Turn battery load tester OFF before connecting tester
cables to battery terminals. Connecting tester cables
with load tester ON can cause a spark and battery explo-
sion, which could result in death or serious injury.
(00252a)
3. Connect tester leads to battery posts and place induction
pickup over negative (black) cable. See Figure 7-47.
NOTE
To avoid load tester and/or battery damage, do not leave the
load tester switch turned ON for more than 20 seconds.
4. See Table 7-14. Load battery at 50% of CCA rating using
the load tester. Voltage reading after 15 seconds should
be 9.6V or more at 70° F. (21° C).
Turn battery load tester OFF before disconnecting tester
cables to battery terminals. Disconnecting tester cables
with load tester ON can cause a spark and battery explo-
sion, which could result in death or serious injury.
(00253a)
5. Install the battery on the motorcycle. See BATTERY
INSTALLATION AND CONNECTION.
DISCONNECTION AND REMOVAL
1. Remove seat. See 2.44 SEAT.
To prevent accidental vehicle start-up, which could
cause death or serious injury, disconnect negative (-)
battery cable before proceeding. (00048a)
Disconnect negative (-) battery cable first. If positive (+)
cable should contact ground with negative (-) cable con-
nected, the resulting sparks can cause a battery explo-
sion, which could result in death or serious injury.
(00049a)
2. Unthread fastener and remove battery negative cable
(black) from battery negative (-) terminal.
3. Unthread fastener and remove battery positive cable
(red) from battery positive (+) terminal.
4. Unhook battery strap from frame.
5. Remove battery.
CLEANING AND INSPECTION
1. Battery top must be clean and dry. Dirt and electrolyte on
top of the battery can cause battery to self-discharge.
Clean battery top with a solution of baking soda (sodium
bicarbonate) and water (5 teaspoons baking soda per
quart or liter of water). When the solution stops bubbling,
rinse off the battery with clean water.
2. Clean cable connectors and battery terminals using a
wire brush or sandpaper. Remove any oxidation.
3. Inspect the battery screws and cables for breakage,
loose connections and corrosion. Clean clamps.
4. Check the battery posts for melting or damage caused
by overtightening.
5. Inspect the battery for discoloration, raised top or a
warped or distorted case, which might indicate that the
battery has been frozen, overheated or overcharged.
6. Inspect the battery case for cracks or leaks.
Figure 7-47. Load Test
Load
Tester
Induction
Pickup
b1098x7x
12 VDC
Battery
VOLTS
AMPS
Table 7-14. Battery Load Test
COLD CRANKING
AMPERAGE (CCA)
100% 50%
Buell Lightning 200 100
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