4-32 2007 Buell Lightning: Fuel System
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FUEL PRESSURE TEST 4.13
INSPECTION
1WARNING1WARNING
To prevent spray of fuel, purge system of high-pressure
fuel before supply line is disconnected. Gasoline is
extremely flammable and highly explosive, which could
result in death or serious injury. (00275a)
1. Remove air cleaner assembly. See 4.44 AIR CLEANER
ASSEMBLY.
2. Purge the fuel supply line of high pressure gasoline.
a. See Figure 4-24. Disconnect the 4-place fuel pump
connector [86]. The connector is located inside the
left rear portion of the fuel tank/frame.
b. With the motorcycle in neutral, start the engine and
allow vehicle to run.
c. When the engine stalls, press the starter button for 3
seconds to remove any remaining fuel from fuel line.
1WARNING1WARNING
With fuel tank drained, gasoline can spill from bore when
supply valve is loosened or removed. Gasoline is
extremely flammable and highly explosive, which could
result in death or serious injury. Wipe up spilled fuel
immediately and dispose of rags in a suitable manner.
(00277a)
3. See Figure 4-25. Depress button (2) of fuel line connec-
tor and disconnect the fuel line (3) from throttle body inlet
(1).
4. See Figure 4-26. Attach FUEL PRESSURE GAUGE
ADAPTER (Part No. B-45522) (2) to throttle body inlet
(1).
5. Connect the fuel line (3) to fuel pressure gauge adapter.
NOTE
See Figure 4-27. Verify that fuel valve (2) and air bleed pet-
cock (5) on the gauge are closed.
6. Attach FUEL PRESSURE GAUGE (Part No. HD-41182)
(4) to fuel pressure gauge adapter (1).
PART NO. SPECIALTY TOOL
B-45522 Fuel pressure gauge adapter
HD-41182 Fuel pressure gauge
Figure 4-24. Fuel Pump Connector [86] (swingarm
removed for illustration)
Figure 4-25. Fuel Line
10718a
b1047x4x
2
3
1. Throttle body inlet
2. Button
3. Fuel line
1
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