Starter Cable Adjustment; Idling Speed Adjustment; Throttle Lever Free Play Adjustment - Yamaha YFM660FP 2001 Assembly Manual

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1
Å
a
ı
6
5
4
2
1
1 2
a
H. Starter cable adjustment
1. Remove:
Seat
Fuel tank side panel (left)
2. Adjust:
1
Disconnect the starter cable
from the carburetor
body.
NOTE:
2
Do not remove the starter plunger
cable.
Measure the starter plunger stroke distance
3
the starter lever
fully close to fully open posi-
tion. If the distance is out of specification adjust it
as described below.
Starter plunger stroke distance:
15 mm (0.59 in)
Å
Fully closed position
ı
Fully open position
I. Idling speed adjustment
1. Start the engine and let it warm up for several
minutes.
2. Check:
Engine idling speed
Out of specification → Adjust.
Engine idling speed:
1,450 ~ 1,550 r/min
3. Remove:
Seat
Fuel tank side panel (left)
J. Throttle lever free play adjustment
CAUTION:
Before adjusting the throttle lever free play, make
sure that the adjusters and locknuts on the
carburetor side are fully tightened. If not, the
throttle does not operate properly.
NOTE:
Engine idling speed should be adjusted properly
before adjusting the throttle lever free play.
1. Check:
a
Throttle lever free play
Out of specification → Adjust.
Throttle lever free play:
3 ~ 5 mm (0.12 ~ 0.20 in)
–19–
Pull back the boot
Loosen the locknut
Turn the adjuster
distance is obtained.
Turning in
Turning out
from the starter
Tighten the locknut
Push in the boot
a
Connect the starter cable to the carburetor.
of
WARNING
After adjusting the cable, turn the handlebar to
right and left, and make sure that the engine idling
speed does not increase.
3. Install:
Fuel tank side panel (left)
Seat
4. Adjust:
Turn the throttle stop screw
specified idling speed is obtained.
Turning in
Turning out
5. Install:
Fuel tank side panel (left)
Seat
2. Adjust:
Pull back the adjuster cover.
Loosen the locknut
Turn the adjuster
play is obtained.
Turning in
Turning out
Tighten the locknut.
Push in the adjuster cover.
WARNING
After adjusting the free play, turn the handlebar to
right and left, and make sure that the engine idling
speed does not increase.
4
.
5
.
6
in or out until the correct
Distance increased.
Distance decreased.
5
.
4
.
1
in or out until
Idling speed becomes higher.
Idling speed becomes lower.
1
.
2
in or out until the correct free
Free play is increased.
Free play is decreased.

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