Fuel Tank Breather Hose; Catalytic Converter - Yamaha WR450F 2013 Owner's Manual

INSTRUMENT AND CONTROL FUNCTIONS
spark plug life and reduce maintenance
costs.
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Fuel tank breather hose

1. Fuel tank breather hose
2. One-way valve
Before operating the motorcycle:

Check the fuel tank breather hose
connection.

Check the fuel tank breather hose
for cracks or damage, and replace
it if damaged.

Make sure that the end of the fuel
tank breather hose is not blocked,
and clean it if necessary.
TIP
If the fuel tank breather hose falls out,
reinstall it on the fuel tank cap with the
arrow mark on the one-way valve point-
ed downward as shown.
3-11
EAU41360

Catalytic converter

This model is equipped with a catalytic
1 converter in the exhaust system.
WARNING
2
The exhaust system is hot after op-
eration. To prevent a fire hazard or
burns:

Do not park the vehicle near
possible fire hazards such as
grass or other materials that
easily burn.

Park the vehicle in a place
where pedestrians or children
are not likely to touch the hot
exhaust system.

Make sure that the exhaust sys-
tem has cooled down before do-
ing any maintenance work.

Do not allow the engine to idle
more than a few minutes. Long
idling can cause a build-up of
heat.
NOTICE
Use only unleaded gasoline. The use
of leaded gasoline will cause unre-
pairable damage to the catalytic
EAU13433
EWA10862
ECA10701