Yamaha YZF-R25 Owner's Manual page 60

PERIODIC MAINTENANCE AND ADJUSTMENT
Remove the air filter case cover by
2.
removing the screws.
2
1. Air filter case cover
2. Screw
3. Pull the air filter element out.
7
1
1. Air filter element
Insert a new air filter element into
4.
the air filter case. NOTICE: Make
sure that the air filter element is
properly seated in the air filter
case. The engine should never
be operated without the air filter
element installed, otherwise the
1
piston(s) and/or cylinder(s) may
become excessively worn.
2
Install the air filter case cover by
5.
installing the screws.
6. Install the left side panel by
installing the bolts.
To clean the air filter check hose
1. Check the hose on the front of the
air filter case for accumulated dirt
or water.
1.Air filter check hose
2.
1
7-15
If dirt or water is visible, remove
the hose, clean it, and then install
it.