Yamaha WR450FB 2012 Owner's Service Manual page 98

6. Check:
• Air filter element
Damage ~ Replace.
7. Apply the recommended oil to the entire sur-
face of the air filter element and squeeze out
the excess oil. The air filter element should
be wet but not dripping.
8. Install:
Recommended oil grade
API service SG type or higher,
JASO standard MA
• Air filter element frame "1"
TIP _ _ _ _ _ _ _ _ _ _ _ _ _ _
• Align the projection "a" on air filter element
frame with the hole "b" in air filter element.
• Apply the lithium-soap-based grease on the
matching surface "c" on air filter element.
ECA1DX1002
~Not1c&
~~~~----~-~---~
Never operate the engine without the air fil-
ter element installed. Unfiltered air will
cause rapid wear of engine parts and may
damage the engine. Operating the engine
without the air filter element will also lead-
ing to poor engine performance and possi-
ble overheating.
c
9. Install:
• Air filter element "1"
TIP _ _ _ _ _ _ _ _ _ _ _ _ _ _
Align the projection "a" on filter guide with the
hole "b" in air filter case.
3-10
PERIODIC MAINTENANCE
10.Hook:
•Binder "1"
TIP _ _ _ _ _ _ _ _ _ _ _ _ _ _
Hook the binder "1" so that it contacts the filter
guide projections "a".
11.lnstall:
• Air filter case cover
• Air filter check hose
EAS1DX30B3
CHECKING THE BREATHER HOSES
1. Remove:
•Seat
•Side cover (left/right)
• Air scoop (left/right)
Refer to "GENERAL CHASSIS" on page 5-
1.
•Fuel tank
Refer to "FUEL TANK" on page 8-1.
2. Check:
• Breather hose "1"
Cracks/damage
~
Replace.
Loose
connection~
Connect properly.
ECA14920
r~)C:<!'.0""~"'~
d!JQl;1§
------------
Make sure the breather hoses are routed
correctly.