2007 Buell Lightning: Fuel System 4-1
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SPECIFICATIONS 4.1
Torque Values
Table 4-1. Fuel Tank Specifications
FUEL TANK CAPACITY GALLONS LITERS
Total (including reserve)
(XB12Ss)
4.40 16.7
Reserve/Low fuel indicator at
(XB12Ss)
0.83 3.1
Total (including reserve)
(XB9SX, XB12S, XB12Scg)
3.82 14.5
Reserve/Low fuel indicator at
(XB9SX, XB12S, XB12Scg)
0.75 2.8
Table 4-2. Fuel System Specifications
FUEL SYSTEM TYPE
Intake (XB9)
45 mm downdraft manifold, ram air
Intake (XB12)
49 mm downdraft manifold, ram air
Fuel delivery DDFI fuel injection
Fuel pressure 49-51PSI (338-352 kPa)
Recommended fuel 91 Octane
Table 4-3. Idle Speed Specifications
ADJUSTMENT RPM
Normal idle speed 1050 -1150 RPM
ITEM TORQUE NOTES
Air cleaner back plate fasten-
ers
84-120
in-lbs
9.5-13.6 Nm page 4-127
Air cleaner cover fasteners
(Translucid XB9S)
8-12
in-lbs
0.9-1.3 Nm page 4-125
Bank angle sensor mounting
fastener
12-36
in-lbs
1.4-4.1 Nm page 4-103
Battery terminal hardware 72-96
in-lbs
8-11 Nm page 4-115
Cooling fan fasteners 12-36
in-lbs
1.4-4.1 Nm page 4-106
Engine temperature sensor 120-168
in-lbs
13.6-19 Nm page 4-102
Fuel cap retaining ring fasten-
ers
62-71
in-lbs
7-8 Nm page 4-116
Fuel pump drain plug 84-108
in-lbs
9.5-12.2 Nm page 4-107
Fuel pump harness fastener 18-22
in-lbs
2.0-2.5 Nm page 4-113
Fuel pump screws 48-51
in-lbs
5.4-5.8 Nm page 4-114
Fuel pump wire harness fas-
tener
18-22
in-lbs
2.0-2.5 Nm LOCTITE 271 (red), page 4-113
Fuel rail fasteners 20-25
in-lbs
2.3-2.8 Nm LOCTITE 222 (purple), page 4-120
Fuel supply line banjo fitting 84-108
in-lbs
9.5-12.2 Nm page 4-114
Fuel tank vent valve fasteners 39-41
in-lbs
4.4-4.6 Nm page 4-115
Ignition coil mounting screws 120-144
in-lbs
13.6-16.3 Nm page 4-99
Ignition rotor mounting bolt 43-53
in-lbs
5-6 Nm LOCTITE 243 (blue), page 4-98
Inner timer cover screws 12-20
in-lbs
1.3-2.3 Nm page 4-98
Intake flange screws 96-120
in-lbs
10.8-13.6 Nm page 4-121
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