Basic Service Information; Electrical System - Yamaha WR450FB 2012 Owner's Service Manual

EAS1DX3034

ELECTRICAL SYSTEM

Electrical parts handling
ECA16600
NOTICE
Never disconnect a battery lead while the
engine is running; otherwise, the electrical
components could be damaged.
ECA16751
NOTICE
When disconnecting the battery leads from
the battery, be sure to disconnect the nega-
tive battery lead first, then the positive bat-
tery lead. If the positive battery lead is
disconnected first and a tool or similar item
contacts the vehicle, a spark could be gen-
erated, which is extremely dangerous.

BASIC SERVICE INFORMATION

TIP
If a battery lead is difficult to disconnect due to
rust on the battery terminal, remove the rust us-
ing hot water.
ECA16760
NOTICE
Be sure to connect the battery leads to the
correct battery terminals. Reversing the
battery lead connections could damage the
electrical components.
IGNITION
ECA16771
NOTICE
When connecting the battery leads to the
battery, be sure to connect the positive bat-
tery lead first, then the negative battery
lead. If the negative battery lead is connect-
ed first and a tool or similar item contacts
the vehicle while the positive battery lead is
being connected, a spark could be generat-
ed, which is extremely dangerous.
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