PERIODIC MAINTENANCE AND ADJUSTMENT
6-16
1
2
3
4
5
6
7
8
9
4. Insert a new air filter element into
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
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]
5. Install the air filter case cover by in-
stalling the screws.
6. Install the panel.
EAU33482
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 D. (See page 6-8.)
2. Check the engine idling speed
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).
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
3. Install the panel.
1. Air filter element
1
1. Idle adjusting screw
Engine idling speed:
1100–1300 r/min
1
(a)
(b)
59C-9-E1.book 16 ページ ２０１２年６月２６日 火曜日 午前１１時３３分
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