4-120 2007 Buell Lightning: Fuel System
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1WARNING1WARNING
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 o-rings if they have been dam-
aged 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 4-113. 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 fastener (1).
d. Secure the fuel rail to the throttle body with fastener.
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.
Figure 4-108. Intake Manifold Fasteners
(gearcase cover side)
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1. Fuel rail fastener to throttle body
2. Intake flange fastener (2)
2
1
Figure 4-109. Intake Manifold Fasteners
(gearcase cover side)
Figure 4-110. Fuel Injectors
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2
1
1. Fuel rail fastener
2. Rear fuel injector
3. Fuel rail assembly
4. Clip (2)
5. Front fuel injector
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4
3
5
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