1
2
3
4
5
6
7
8
9
6-15
EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
1. Place the scooter on the center-
stand.
2. Remove the screw cover and air
fi lter case cover by removing the
screws.
3. Pull the air fi lter element out.
4. Insert a new air fi lter element into
the air fi lter 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 piston(s) and/or
cylinder(s) may become exces-
sively worn.
[ECA10481]
5. Install the air filter case cover
by installing the screws and the
screw cover.
Cleaning the air lter check hose
1. Check the hose on the rear side
of the air filter case for accumu-
lated dirt or water.
2. If dirt or water is visible, remove
the hose, clean it, and then install
it.Cleaning the V-belt case air filter
element
1. Remove panel B. (See page 6-8.)
2. Remove the V-belt air filter case
cover by removing the bolts.
1
1. V-belt air fi lter case cover3. Pull the air fi lter element out, and
then clean it with compressed air.
NOTICE:
To avoid damaging
the air filter element, handle
it gently and carefully, and do
not twist it.[ECA10521] EAUT3550
Air filter and V-belt case air
lter elementsThe air filter and V-belt case air fil-
ter elements should be cleaned or
replaced at the intervals specified in
the periodic maintenance and lubrica-
tion chart. Check both filter elements
more frequently if you are riding in
unusually wet or dusty areas. The air
filter check hose must be frequently
checked and cleaned if necessary.
Replacing the air lter element
2
3
1
1. Screw cover
2. Air fi lter case cover
3. Air fi lter check hose
53B-F8199-E0_CS.indd 6-1553B-F8199-E0_CS.indd 6-15
2011/11/01 12:32:092011/11/01 12:32:09
Process BlackProcess Black
1
2
3
4
5
6
7
8
9
6-16
EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
EAU21384
Checking the throttle grip
free play
1
1. Throttle cable free playThe throttle grip free play should mea-
sure 3 ~ 5 mm (0.12 ~ 0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha
dealer adjust it.
EAU44734
Checking the engine idling
speedCheck the engine idling speed and,
if necessary, have it corrected by a
Yamaha dealer.Engine idling speed:
1600 ~ 1800 r/min
1
1. V-belt case air fi lter element4. Insert the element into the air fi l-
ter case.
5. Install the V-belt air filter case
cover by installing the bolts.
6. Install the panel.
53B-F8199-E0_CS.indd 6-1653B-F8199-E0_CS.indd 6-16
2011/11/01 12:32:102011/11/01 12:32:10
Process BlackProcess Black
