Yamaha BIG BEAR 400 Owner's Manual page 43

G
If accessories are used without the engine
running or with the headlights turned on, the
battery will lose its charge and engine start-
ing may become difficult.
G
Do not use an automotive cigarette lighter or
other accessories with a plug that gets hot
because the jack can be damaged.
EWB00010
WARNING
Indicates a potential hazard that could result in
serious injury or death.
4-24
4