Yamaha BANSHEE YFZ350M 1999 Owner's Manual page 119

7. Apply Yamaha foam air filter oil or
other quality foam air filter oil to the
element. If foam air filter oil is not
available, motor oil may be used.
NOTE:
The element should be wet but not drip-
ping.
8. Reinstall the element to the element
guide.
1. Top side
9. Reinstall the element assembly and
parts removed for access.
1
NOTE:
The air filter element should be cleaned
every 20 ~ 40 hours. It should be cleaned
and lubricated more often if the machine is
operated in extremely dusty areas. Each
time filter element maintenance is per-
formed, check the air inlet to the filter case
for obstructions. Check the air cleaner rub-
ber joint to the carburetor and manifold fit-
tings for an airtight seal. Tighten all fittings
securely to avoid the possibility of unfil-
tered air entering the engine.
cC
Never operate the engine with the air filter
element removed. This will allow unfil-
tered air to enter, causing rapid engine
wear and possible engine damage.
Additionally, operation without the filter
element will affect carburetor jetting with
subsequent poor performance and possi-
ble engine overheating.
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