2004 Yamaha Motorsports Grizzly 660 Auto. 4x4 Owners Manual - Page 147

2004 Yamaha Motorsports Grizzly 660 Auto. 4x4 Manual

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8. Apply Yamaha foam air filter oil or other quality foam air filter oil to the air filter element. If foam air filter oil is not available, engine oil may be used. NOTE: The air filter element should be wet but not dripping. _ _ 12. Install the seat. 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 air filter element maintenance is performed, check the air inlet to the air filter case for obstructions. Check the air filter element rubber joint to the carburetor and manifold fittings for an airtight seal. Tighten all fittings securely to avoid the possibility of unfiltered air entering the engine. _ _ 9. Pull the air filter element over its frame. 10. Install the air filter element. CAUTION: _ 1. Breather hose 11. Install the air filter case cover and be sure to connect the hose. 8-32 Never operate the engine with the air filter element removed. This will allow unfiltered air to enter, causing rapid engine wear and possible engine damage. Additionally, operation without the air filter element will affect carburetor jetting with subsequent poor performance and possible engine overheating. _

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8-32
8.
Apply Yamaha foam air filter oil or other
quality foam air filter oil to the air filter el-
ement. If foam air filter oil is not available,
engine oil may be used.
NOTE:
_
The air filter element should be wet but not
dripping.
_
9.
Pull the air filter element over its frame.
10.
Install the air filter element.
1.
Breather hose
11.
Install the air filter case cover and be sure
to connect the hose.
12.
Install the seat.
NOTE:
_
The air filter element should be cleaned every
20–40 hours. It should be cleaned and lubri-
cated more often if the machine is operated in
extremely dusty areas. Each time air filter ele-
ment maintenance is performed, check the air
inlet to the air filter case for obstructions.
Check the air filter element rubber joint to the
carburetor and manifold fittings for an airtight
seal. Tighten all fittings securely to avoid the
possibility of unfiltered air entering the engine.
_
CAUTION:
_
Never operate the engine with the air filter
element removed. This will allow unfiltered
air to enter, causing rapid engine wear and
possible engine damage. Additionally, op-
eration without the air filter element will af-
fect carburetor jetting with subsequent
poor performance and possible engine
overheating.
_