Buell 2006LIGHTNING MODELS, Service Manual

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4-120 2006 Buell Lightning: Fuel System
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1
WARNING
1
WARNING
Do not use any injector that has damaged or deformed o-
rings. Damaged o-rings may leak gasoline. Gasoline is
extremely flammable and highly explosive. Use of dam-
aged o-rings could result in death or serious injury.
4. Inspect all injector o-rings for cuts, tears or general dete-
rioration. Replace injector if o-rings have been damaged
or have taken a definite set.
5. Apply a thin coat of clean engine oil to top and bottom
injector o-rings.
NOTE
Front and rear fuel injectors are not interchangeable.
6. See Figure 4-109. Install fuel injectors.
a. Install both injectors (2, 5) into throttle body.
b. Press the fuel rail assembly (3) onto the top of the
injectors.
c. Apply a drop of LOCTITE 222 (purple) to threads of
fuel rail fasteners (1, 6).
d. Secure the fuel rail to the throttle body with fasten-
ers. Tighten to 20-25 in-lbs (2.3-2.8 Nm).
7. Snap the injector clips (4) over the flange on the fuel rail
outlet and into the top grove in the injector.
Testing
1. Remove intake cover assembly. See 2.37 INTAKE
COVER ASSEMBLY .
2. Remove air cleaner cover. See 4.44 AIR CLEANER
ASSEMBLY .
3. Conduct test.
a. Turn key ON for two seconds.
b. Turn key OFF for two seconds.
c. Repeat Steps A and B five consecutive times.
d. Open throttle, replace fuel injectors if there is any
evidence of raw fuel in throttle body manifold.
4. Install air cleaner cover. See 4.44 AIR CLEANER
ASSEMBLY .
5. Install intake cover assembly. See 2.37 INTAKE COVER
ASSEMBLY .
Figure 4-108. Intake Manifold Fasteners
(gearcase cover side)
Figure 4-109. Fuel Injectors
8752
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5
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1. Fuel rail fastener
2. Rear fuel injector
3. Fuel rail assembly
4. Clip (2)
5. Front fuel injector
10644
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