PERIODIC MAINTENANCE AND ADJUSTMENT
6-17
1
2
3
4
5
6
7
8
9
10
11
12
2. If dirt or water is visible, remove
the hose, clean it, and then install
it.
EAU52461
Adjusting the engine idling
speed
The engine idling speed must be
checked and, if necessary, adjusted as
follows.
TIP
A digital tachometer is needed to make
this adjustment.
1. Position the digital tachometer at
the ignition coil, which is located in
the spark plug cap.
2. Check the engine idling speed
and, if necessary, adjust it to spec-
ification by turning the starter
knob/idle adjusting screw. To in-
crease the engine idling speed,
turn the screw in direction (a). To
decrease the engine 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.
1. Air filter check hose
1
1. Starter knob/idle adjusting screw
Engine idling speed:
1900–2100 r/min
1
(a)
(b)
1DX-9-E3.book 17 ページ 2014年2月17日 月曜日 午後2時21分