Yamaha YFM660RN Service Manual page 82

CLEANING THE AIR FILTER
CAUTION:
Do not twist or wring out the element. This
could damage the foam material.
Apply engine oil to the element.
Squeeze out the excess oil.
NOTE:
The element should be wet but not dripping.
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7.Install:
Air filter element
Air filter case cover
NOTE:
Insert the lobes 1 on the filter element into
the receptacles 2 on the filter case.
To prevent air leaks make sure that the seal-
ing surface of the element matches the seal-
ing surface of the case.
8.Connect:
Crankcase breather hose 1
9.Install:
Seat
Refer to "SEAT, FENDERS AND FUEL
TANK".
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