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Buell 2007 LIGHTNING Service Manual

Buell 2007 LIGHTNING
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4-64 2007 Buell Lightning: Fuel System
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TROUBLE CODE 21 4.21
GENERAL
The interactive exhaust system utilizes an actuator valve in
the muffler which is connected to a servo motor via a cable.
The valve position automatically adjusts to enhance engine
performance.
Active Muffler Control (XB12 Models Only)
A Code 21 will set if the ECM detects that the output for the
Interactive Muffler Control Actuator is not in agreement with
the feedback circuit.
Mechanical fault in the actuator, valve or cable.
Electrical fault in the actuator circuit.
Electrical fault in the actuator feedback circuit.
Electrical fault in the brake light or horn circuits.
Blown fuse.
See B.5 INDEX TO WIRING DIAGRAMS.
DIAGNOSTIC NOTES
The reference numbers below correlate with the circled num-
bers on the Code 21 flow charts.
1. Using TEST CONNECTOR KIT (Part No. HD-41404),
attach red probe and patch cord to [164B].
2. Using TEST CONNECTOR KIT (Part No. HD-41404),
use gray male pin probe and patch cord.
Figure 4-45. Fuses and Diodes
39
40
41
42
43
44
33
34
35
36
37
38
21
22
23
24
25
26
28
29
30
31
32
27
Spare
Diode
Bk/Hn/Mflr
Fan
IGN
Acces.
Key Sw
Lights
ECM
Spare
E
mpt
y
B
a
tt
e
r
y
bs0026xx

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Buell 2007 LIGHTNING Specifications

General IconGeneral
Year2007
ManufacturerBuell
ModelLightning
CategoryMotorcycle
Displacement1203 cc
Bore x Stroke88.9 mm x 96.8 mm
Compression Ratio10.0:1
Fuel SystemElectronic fuel injection
Transmission5-speed
Final DriveBelt
Rear SuspensionShowa shock absorber
Rear BrakesSingle disc, 1-piston caliper
Engine TypeV-Twin
IgnitionDigital
Front SuspensionShowa inverted fork
Front BrakesSingle disc, 6-piston caliper
Front Tire120/70 ZR17
Rear Tire180/55 ZR17
Wheelbase52.0 inches
Seat Height30.1 inches
Dry Weight395 lbs
Fuel Capacity14.5 liters

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