Table 1. Engine: 2008 Dyna 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
Torque
92 ft-lbs @ 3000 RPM
124.7 Nm @ 3000 RPM
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
Table 3. Transmission: 2008 Dyna Models
TRANSMISSION
SPECIFICATION
Type
Constant mesh, foot shift
Speeds
6 forward
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 4. Sprocket Teeth: 2008 Dyna Models
DRIVE
ITEM
NUMBER OF TEETH
Primary
Engine
34
Clutch
46
Final
Transmission
32
Rear wheel
66*
*64 teeth on Japanese models
Table 5. Gear Ratios: 2008 Dyna 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 6. Weights: 2008 Dyna Models
ITEM
FXD
FXDC
FXDL
FXDWG
FXDB
FXDF
LB.
KG
LB.
KG
LB.
KG
LB.
KG
LB.
KG
LB.
KG
Weight (as shipped from factory)
632
287
645
293
641
291
650
295
634
288
670
304
GVWR
1085
492
1085
492
1085
492
1085
492
1085
492
1085
492
GAWR front
390
177
390
177
390
177
390
177
390
177
390
177
GAWR rear
695
316
695
316
695
316
695
316
695
316
695
316
Table 7. Dimensions: 2008 Dyna Models
ITEM
FXD
FXDC
FXDL
FXDWG
FXDB
FXDF
IN.
MM
IN.
MM
IN.
MM
IN.
MM
IN.
MM
IN.
MM
Wheel base
64.2
1630
64.2
1630
64.6
1641
68.3
1735
64.2
1630
64.2
1626
Overall length
92.8
2357
92.9
2359
93.1
2364
97.5
2477
92.8
2358
92.8
2358
Overall width
36.7
931
38.9
988
36.3
921
36
915
37.5
953
37.5
953
Road clearance
6.0
153
6.0
153
5.6
142
6.2
158
5.6
142
4.68
119
Overall height
46.8
1189
47.7
1212
47.0
1194
49.3
1251
50.4
1279
44.6
1132
Saddle height*
27.6
700
26.8
680
26.8
680
28.5
723
26.8
680
26.8
690
*With 81.6 kg (180 lb) rider on seat.
Table 8. Capacities: 2008 Dyna Models
ITEM
FXDC/FXDWG
FXD
FXDL
FXDB
FXDF
U.S.
LITERS
U.S.
LITERS
U.S.
LITERS
U.S.
LITERS
U.S.
LITERS
Fuel tank (total)
5.1 gal
19.3
4.8 gal
18.2
4.8 gal
18.2
4.8 gal
18.2
5.1 gal
19.3
Oil tank with filter
3.0 qt
2.8
3.0 qt
2.8
3.0 qt
2.8
3.0 qt
2.8
3.0 qt
2.8
Transmission
(approximate)
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
Primary chaincase
(approximate)
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
32 oz.
0.95
Low fuel warning light on
0.9 gal
3.4
0.9 gal
3.4
0.9 gal
3.4
0.9 gal
3.4
0.9 gal
3.4
Table 9. Tire Pressures: 2008 Dyna Models
MODEL
LOAD
TIRE PRESSURE (COLD)
FRONT
REAR
PSI
kPa
PSI
kPa
All models except FXDF
Solo rider
30
206
36
248
Rider and passenger
30
206
40
275
FXDF
Solo rider
36
248
36
248
Rider and passenger
36
248
40
275
Table 10. Tire Sizes: 2008 Dyna Models
MODEL
MOUNT
SIZE
NUMBER
All models except FXDF and FXDWG
Front
19 in.
D401F 100/90-19
FXDF
Front
16 in.
D427F 130/90B16
FXDWG
Front
21 in.
D402F MH90-21
All models except FXDF
Rear
17 in.
K591 160/70B17
FXDF
Rear
16 in.
D427 180/70B16
2008 motorcycles use Dunlop Harley-Davidson tires only.
Table 11. Bulb Chart: 2008 Dyna Models
LAMP
DESCRIPTION
BULBS
REQUIRED
CURRENT DRAW
(AMPERAGE)
H-D
PART NUMBER
Headlamp
High beam/low beam (FXDF)
2
5.0/4.58
69838-08
High beam/low beam (all other models)
1
5.0/4.58
68329-03
Position lamp international
1
0.32
53438-92
Tail and stop lamp
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
Turn signal lamp
Front/running
2
2.25/0.59
68168-89
Front international
2
1.75
68163-84
Rear
2
2.25
68572-64B
Rear international
2
1.75
68163-84
Instrument panel indicators
High beam indicator
Illuminated with LEDs. Replace entire assembly upon failure.
Oil pressure indicator
Neutral indicator
Turn signal indicators
Fuel Gauges: All models use an LED built into the gauge.