Table 1. Engine: 2008 Softail Models
ITEM
SPECIFICATION
Number of cylinders
2
Type
4-cycle, 45 degree
V-Type, air cooled
Compression ratio
9.2-1
Bore
3.75 in.
95.25 mm
Stroke
4.38 in.
111.25 mm
Displacement
96 cu. in.
1584 cc
Table 2. Ignition System: 2008 Twin Cam Models
COMPONENT
SPECIFICATION
Ignition timing
Not adjustable
Battery
12 volt, 19 amp/hr,
sealed and maintenance free
Spark plug type
HD-6R12
Spark plug size
12 mm
Spark plug gap
0.038-0.043 in.
0.97-1.09 mm
Spark plug torque
12-18 ft-lbs
16.3-24.4 Nm
NOTE
Specifications in this publication may not match those of official certification in some markets due to timing of publication printing, variance in testing methods, and/or vehicle differences. Customers seeking officially recognized regulatory specifications for their vehicle should refer to certification documents and/or contact their respective dealer or distributor.
Table 3. Transmission: 2008 Softail Models
TRANSMISSION
SPECIFICATION
Type
Constant mesh, foot shift
Speeds
6 forward
Table 4. Sprocket Teeth: 2008 Softail Models
DRIVE
ITEM
NUMBER OF TEETH
Primary
Engine
34
Clutch
46
Final
Transmission
32
Rear wheel
66*
*64 teeth on Japanese models
Table 5. Engine Torque: 2008 Softail Models
MODELS
MARKET
TORQUE
FLST, FLSTC, FLSTSB and all FX models
North America
87.90 ft-lbs @2750 RPM
119.19 Nm @2750 RPM
International
84.80 ft-lbs @3200 RPM
114.99 Nm @3200 RPM
Japan
81.60 ft-lbs @2750 RPM
110.65 Nm @2750 RPM
FLSTF
North America
89.80 ft-lbs @2750 RPM
121.77 Nm @2750 RPM
International
87.50 ft-lbs @3300 RPM
118.65 Nm @3300 RPM
Japan
80.20 ft-lbs @3000 RPM
108.74 Nm @3000 RPM
FLSTN
North America
89.70 ft-lbs @2750 RPM
121.63 Nm @2750 RPM
International
88.20 ft-lbs @3300 RPM
119.60 Nm @3300 RPM
Japan
80.40 ft-lbs @2750 RPM
109.02 Nm @2750 RPM
Table 6. Gear Ratios: 2008 Softail Models
GEAR
RATIO
DOMESTIC AND INTERNATIONAL
JAPANESE MODELS
1st Gear
9.312
9.030
2nd Gear
6.421
6.226
3rd Gear
4.774
4.630
4th Gear
3.926
3.807
5th Gear
3.279
3.179
6th Gear
2.790
2.706
NOTE
Gross Vehicle Weight Rating (GVWR) (maximum allowable loaded vehicle weight) and corresponding Gross Axle Weight Ratings (GAWR) are given on a label located on the frame below the steering head.
Table 7. Weights: 2008 FLST, FLSTC, FLSTF, FLSTN and FLSTSB
ITEM
FLST
FLSTC
FLSTF
FLSTN
FLSTSB
LB.
KG
LB.
KG
LB.
KG
LB.
KG
LB.
KG
Weight as shipped from factory
694
315
725
329
694
315
695
315
700
318
GVWR
1160
526
1160
526
1160
526
1160
526
1140
517
GAWR front
430
195
430
195
430
195
430
195
430
195
GAWR rear
730
331
730
331
730
331
730
331
710
322
Table 8. Weights: 2008 FXCW, FXCWC, FXSTB, FXSTC, and FXST
ITEM
FXCW
FXCWC
FXSTB
FXSTC
FXST
LB.
KG
LB.
KG
LB.
KG
LB.
KG
LB.
KG
Weight as shipped from factory
661
300
686
311
656
298
672
305
654
297
GVWR
1175
533
1175
533
1125
510
1125
510
1125
510
GAWR front
415
188
415
188
415
188
415
188
415
188
GAWR rear
760
345
760
345
710
322
710
322
710
322
Table 9. Dimensions: 2008 FLST, FLSTC, FLSTF, FLSTN and FLSTSB
ITEM
FLST
FLSTC
FLSTF
FLSTN
FLSTSB
IN.
MM
IN.
MM
IN.
MM
IN.
MM
IN.
MM
Wheel base
64.5
1638.3
64.5
1638.3
64.5
1638.3
64.5
1638.3
64.5
1638.3
Overall length
94.5
2400.3
94.5
2400.3
94.3
2395.2
94.7
2405.4
90.5
2298.7
Overall width
36.2
920.0
39.2
995.7
39.2
995.7
38.6
980.4
38.1
967.7
Road clearance
5.1
129.5
5.1
129.5
5.1
129.5
4.8
121.9
4.9
124.5
Overall height
46.4
1178.0
44.1
1120.1
44.5
1130.3
44.3
1125.2
52.6
1336.7
Saddle height*
25.5
647.7
25.5
647.7
25.4
645.2
24.5
622.3
26.6
676.3
*With 81.6 kg (180 lb) rider on seat
Table 10. Dimensions: 2008 FXCW, FXCWC, FXSTB, FXSTC and FXST
ITEM
FXCW
FXCWC
FXSTB
FXSTC
FXST
IN.
MM
IN.
MM
IN.
MM
IN.
MM
IN.
MM
Wheel base
69.2
1757.7
69.2
1757.7
64.5
1638.3
64.5
1638.3
64.5
1638.3
Overall length
95.0
2413.0
95.0
2413.0
95.0
2413.0
94.5
2400.3
94.5
2400.3
Overall width
35.1
891.5
35.1
891.5
30.9
784.9
36.5
927.1
36.2
919.5
Road clearance
5.1
129.5
5.1
129.5
5.1
129.5
5.1
129.5
5.1
129.5
Overall height
46.0
1168.4
46.0
1168.4
44.8
1137.9
51.7
1313.2
46.4
1178.0
Saddle height*
24.5
662.9
25.25
641.4
25.2
640.1
26.4
670.6
26.1
662.9
*With 81.6 kg (180 lb) rider on seat.
Table 11. Capacities: 2008 Softail Models
ITEM
U.S.
LITERS
Fuel tank (total)
5.0 gal
18.9
Low fuel warning light on
1.0 gal
3.8
Oil tank with filter
3.0 U.S. qt.
2.85
Transmission (approximate)
1.0 U.S. qt.
0.95
Primary chaincase (approximate)
1.0 U.S. qt.
0.95
Table 12. Tire Pressures: 2008 Softail Models
MODEL
LOAD
TIRE PRESSURE (COLD)
FRONT
REAR
PSI
kPa
PSI
kPa
FLST, FLSTC, FLSTN
solo rider
36
248
36
248
rider and passenger
36
248
40
276
FLSTF, FLSTSB
solo rider
36
248
38
262
rider and passenger
36
248
42
290
FXSTC, FXSTB, FXST
solo rider
30
207
38
262
rider and passenger
30
207
42
290
FXCW, FXCWC
solo rider
30
207
38
262
rider and passenger
30
207
42
290
Table 13. Tire Sizes: 2008 Softail Models
MODEL
MOUNT
SIZE
NUMBER
FLST, FLSTC, FLSTSB
front
16 in.
D402F MT90B16
FLSTF
front
17 in.
D407F 140/75R17
FLSTN
front
16 in.
D402F WW MT90B16
FXSTB, FXSTC, FXST
front
21 in.
D402F MH90-21
FXCW, FXCWC
front
19 in.
D407F 90/90-19
FLST, FLSTC
rear
16 in.
D401 150/80B16
FLSTN
rear
16 in.
D402 WW MU85B16
FLSTF, FLSTSB, FXSTB, FXSTC, FXST
rear
17 in.
D407 200/55R17
FXCW, FXCWC
rear
18 in.
D407 240/40R18
2008 vehicles use Dunlop Harley-Davidson tires only.
Table 14. Bulb Chart: 2008 Softail Models
LAMP
DESCRIPTION
(ALL LAMPS 12 VOLT)
BULBS
REQUIRED
CURRENT DRAW
(AMPERAGE)
HARLEY-DAVIDSON
PART NUMBER
FL
MODELS
FX
MODELS
FL
MODELS
FX
MODELS
Headlamp
high beam/low beam
1
4.7
4.3
68329-03
68329-03
position lamp international
1
0.32
53436-97
Tail and stop lamp
(all models except FLSTN, FXCW, FXCWC)
tail lamp
1
0.59
68167-04
stop lamp
1
2.10
68167-04
tail lamp international
1
0.59
68167-04
stop lamp international
1
2.10
68167-04
Tail and stop lamp
(FLSTN)
tail lamp
1
0.59
68168-89A
stop lamp
1
2.10
68168-89A
tail lamp international
1
0.59
68169-90A
stop lamp international
1
2.10
68169-90A
Rear turn signal, tail/stop lamp (FXCW, FXCWC)
Illuminated with LEDs. Replace entire assembly upon failure.
Turn signal lamp (all models except rear lamps on FXCW, FXCWC)
front/running
2
2.25
0.59
68168-89A
front international
2
1.75
68163-84
rear
2
2.25
68572-64B
rear international
2
1.75
68163-84
Auxiliary lamps
FLSTC/FLSTN
2
2.50
68351-05
Fog lamp international
2
2.92
68847-98
Fender tip lamp
FLSTC
2
0.10
68193-95
Instrument panel lamps
Illuminated with LEDs. Replace entire assembly upon failure.