Replacing The Air Filter Element And Cleaning The Check Hose; Adjusting The Engine Idling; Speed - Yamaha YZF-R125 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
Replacing the air filter element
and cleaning the check hose
The air filter element should be re-
placed at the intervals specified in the
periodic maintenance and lubrication
chart. Have a Yamaha dealer replace
the air filter element more frequently if
you are riding in unusually wet or dusty
areas. In addition, the air filter check
hose must be frequently checked and
cleaned if necessary.
To clean the air filter check hose
1. Check the hose on the side of the
6
air filter case for accumulated dirt
or water.
1. Air filter check hose
EAUM2390 2. If dirt or water is visible, remove
the hose, clean it, and then install
it.

Adjusting the engine idling

speed

The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
The engine should be warm before
making this adjustment.
1. Remove panel A. (See page 6-6.)
2. Check the engine idling speed
6-14
and, if necessary, adjust it to spec-
ification by turning the idle adjust-
ing screw. To increase the engine
idling speed, turn the screw in di-
rection (a). To decrease the en-
gine idling speed, turn the screw in
direction (b).
EAU33482