2007 Buell Firebolt: Maintenance 1-43
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THROTTLE CABLE AND IDLE SPEED ADJUSTMENT 1.16
THROTTLE CABLE
1WARNING1WARNING
Throttle cables must not pull tight when handlebars are
turned fully to left or right fork stops. Be sure wires and
throttle cables are clear of fork stops at steering head so
they will not be pinched when fork is turned against
stops. Steering must be smooth and free with no binding
or interference. Anything interfering with steering sys-
tem operation may cause loss of vehicle control, which
could result in death or serious injury.
NOTE
If replacing the idle adjustment cable it will be necessary to
apply anti-seize to the threads before installing to the throttle
body assembly.
Check throttle cable adjustment:
● Before every ride.
● At every scheduled service interval.
With engine running, turn handlebars through full range of
travel. If engine speed changes during this maneuver, turn
engine OFF and adjust throttle cables as follows:
1. If removing the throttle cable, remove the air cleaner
cover, filter and baseplate. See 4.44 AIR CLEANER
ASSEMBLY.
2. Remove left air scoop. See 2.35 AIR SCOOPS.
3. See Figure 1-44. Loosen cable adjuster lock (4) (thick
disc) on each cable.
4. Turn adjusters (thin disc) in direction which will shorten
cable housings to minimum length.
5. Point front wheel straight ahead. Twist throttle control
grip to fully open position; hold in position.
6. Turn adjuster on throttle control cable until throttle cam
stop touches stop plate. Tighten jam nut on throttle con-
trol cable adjuster; release throttle control grip.
7. Turn handlebars fully to right. Turn adjuster on idle con-
trol cable until end of cable housing just touches the
cable guide.
8. Twist and release throttle control grip a few times. Throt-
tle plate must return to idle position each time throttle
grip is released. If this is not the case, turn adjuster on
idle control cable (shortening cable housing) until throttle
control functions properly.
9. Tighten cable adjuster lock on idle control cable.
Recheck operation of throttle control.
10. Install left air scoop. See 2.35 AIR SCOOPS.
11. Recheck engine slow idle speed; adjust if required.
12. Install air cleaner assembly baseplate, filter, air cleaner
cover and intake cover assembly. See 4.44 AIR
CLEANER ASSEMBLY.
IDLE SPEED
NOTE
See Figure 1-45. Run vehicle until engine temperature is
320
°
F (160° C). Regular idle speed is 1050-1150 RPM. Set
idle speed using idle adjuster. Turn adjuster clockwise to
increase idle speed or counterclockwise to decrease idle
speed.
Figure 1-44. Throttle Cable Adjusters
Figure 1-45. Idle Adjuster (behind left fork)
8401
1. Rubber boot
2. Throttle control cable
3. Cable adjuster
4. Cable adjuster lock
5. Idle control cable
1
5
4
3
2
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