Yamaha U-MAX G23A Owner's/Operator's Manual page 62

Inspection and cleaning:
3. Wash the pre-air filter element in soap
and water. Allow it to dry.
1
1. Soap and water
CAUTION:
Do not wring out the pre-air filter element,
this could cause it to tear.
4. Check the air filter element. If damaged
or dirty, replace it.
2
2. Pre-air filter element
CAUTION:
Do not attempt to clean the air filter ele-
ment with compressed air. It could be
damaged.
5. To replace the elements, reverse the
above steps.
CAUTION:
The "UP" mark on the pre-air filter element
should face up.
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