Basic Service Information; Electrical System - Yamaha YZ450FN 2022 Owner's Service Manual

EAM20120

BASIC SERVICE INFORMATION

EAM30181

ELECTRICAL SYSTEM

Electrical parts handling
ECA16600
NOTICE
Never disconnect a battery lead while the en-
gine 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 gener-
ated, which is extremely dangerous.
TIP
If a battery lead is difficult to disconnect due to
rust on the battery terminal, remove the rust us-
ing hot water.
BASIC SERVICE INFORMATION
ECA16760
NOTICE
Be sure to connect the battery leads to the
correct battery terminals. Reversing the bat-
tery lead connections could damage the
electrical components.
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 connected first
and a tool or similar item contacts the vehi-
cle while the positive battery lead is being
connected, a spark could be generated,
which is extremely dangerous.
ECA16620
NOTICE
Handle electrical components with special
care, and do not subject them to strong
shocks.
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