2003 Yamaha Motorsports Grizzly 660 Auto. 4x4 Owners Manual - Page 146

2003 Yamaha Motorsports Grizzly 660 Auto. 4x4 Manual

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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 dripping. _ _ 8. Pull the element over its frame. 9. Install the element assembly. 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 the filter element maintenance is performed, check the air inlet to the filter case for obstructions. Check the air cleaner 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: _ 1. Breather hose 10. Install the air filter case cover and be sure to connect the hose. 8-31 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 filter element will affect carburetor jetting with subsequent poor performance and possible engine overheating. _

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8-31
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 dripping.
_
8.
Pull the element over its frame.
9.
Install the element assembly.
1.
Breather hose
10.
Install the air filter case cover and be sure
to connect the hose.
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 the filter el-
ement maintenance is performed, check the
air inlet to the filter case for obstructions.
Check the air cleaner rubber joint to the car-
buretor 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 filter element will affect
carburetor jetting with subsequent poor
performance and possible engine over-
heating.
_