Yamaha e60hwd, Service Manual

Page: 35 / 199

69D5G11 3-6
9
8
7
6
5
4
3
2
1
Power unit/Control system
3. While lightly pushing the throttle lever
4
of the carburetor #3 in the direction of the
arrow (full-closed), and then tighten the
screws
3
of the carburetor #1 and #2.
NOTE:
After synchronizing the carburetor, adjust the
engine idling speed to tighten the throttle stop
screw
1
.
Checking the engine idle speed
NOTE:
Before checking the engine idle speed, the
pilot screws should be properly adjusted.
1. Start the engine and warm it up for 5 min-
utes.
2. Attach the special service tool to spark
plug wire #1
1
, and then check the
engine idle speed. Adjust if out of specifi-
cation.
3. Turn the throttle stop screw
2
in direction
a
or
b
until the specified engine idle
speed is obtained.
NOTE:
9
To increase the idle speed, turn the throttle
stop screw in direction
a
.
9
To decrease the idle speed, turn the throttle
stop screw in direction
b
.
4. If the specified engine idle speed cannot
be obtained, adjust the throttle cable.
Adjusting the throttle link position
1. Remove the link rod
1
from the control
levers
2
and
3
.
2. Turn the control lever
2
until it contacts
the crankcase
4
.
3. Set the control lever
3
to fully retard
position, it contacts the stopper
5
.
4. Adjust the length
a
of the link rod
1
until
the holes align with the set pins on the
control levers
2
and
3
, and then install
the link rod
1
.
69D30115
1
69D30120
a
b
2
Digital tachometer: 90890-06760
Engine idle speed:
950—1,050 r/min
69D30090
1
4
3
5
2
a
69D5G11_03_1 06.10.16 13:36 Page 7