Sym GTS 250 Service Manual page 195

17. Electrical System
Battery
Removal
Loosen 1 screw and remove the battery cover.
Disconnect the negative cable terminal first, then
the positive cable terminal.
Remove the battery.
Voltage Check
Use the digital voltmeter to check the voltage of
the battery.
Voltage:
Fully charged: 12.8V ↑ at 20¢ J
Undercharged: Below 12.0 V at 20¢ J
Warning
Keep flames away while recharging.
Charging is completely controlled by the
ON/OFF switch on the charger, not by
battery cables.
Charging
Connect the positive terminal (+) of the charger to
the battery positive terminal (+).
Connect the negative terminal (-) of the charger to
the battery negative terminal (-).
Charging current
Charging time
Warning
Keep flames away while recharging.
Charging is completely controlled by the
ON/OFF switch on the charger, not by
battery cables.
Caution
Never rapid charge the battery unless in
emergency.
Verify the battery is recharged with current
and duration prescribed above.
Large current and fast time to charge will
render damage to the battery.
When installing the battery, coat the cable terminal
with grease.
17-4
To this chapter contents
Standard Maximum
1.2A 17A
10 hr 0.5 hr