Checking The Engine Idle Speed; Adjusting The Throttle Link Position - Yamaha E60HWD Service Manual

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.
Digital tachometer: 90890-06760
Engine idle speed:
950—1,050 r/min
3. Turn the throttle stop screw 2 in direction
a or b until the specified engine idle
speed is obtained.
b
69D5G11
1
69D30115
a
2
69D30120
Power unit/Control system
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.
3
5
a
2
4
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.
1
2
3
1
4
5
69D30090
6
7
8
9
3-6