Cruisers

2006Harley-Davidson FXSTDI Softail Deuce

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The 2006 Harley-Davidson FXSTDI Softail Deuce is a custom cruiser powered by an 1442cc V-twin engine delivering strong low-end torque, making it ideal for riders seeking classic styling with modern fuel injection technology. Known for its aggressive low-slung profile and iconic Deuce design, it appeals to cruiser enthusiasts who value authentic Harley character and commanding presence on the road.

Capacity: 1442.2 ccm
Engine: V-Twin, four-stroke
Gearbox: 5-speed
Dry weight: 295.3 kg
Seat height: Not on record
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Power: 67.0 HP (49.3 kW)

⇄ Compare with another bike All model years

What’s new for the 2006 Harley-Davidson FXSTDI Softail Deuce

vs the 2005

Spec	2005	2006
Engine capacity	1449.0 ccm (88.42 cubic inches)	1442.2 ccm (88.01 cubic inches)
Torque	101.0 Nm (10.3 kgf-m or 74.5 ft.lbs)	115.3 Nm (11.8 kgf-m or 85.0 ft.lbs) @ 3000 RPM
Dry weight	292.0 kg (643.7 pounds)	295.3 kg (651.0 pounds)
Wet weight	309.6 kg (682.6 pounds)	309.3 kg (681.9 pounds)
Seat height	660 mm (26.0 inches)	not listed
Front brakes	Double disc	Single disc
Wheelbase	1690 mm (66.5 inches)	1692 mm (66.6 inches)
Compression	8.8:1	8.9:1

Other years 2002 2003 2004 2005 2006

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering30%

City riding45%

Daily riding55%

Touring55%

Two-up50%

Track5%

Best for: Built for laid-back boulevard cruising and style-focused riding rather than outright performance or cornering agility.
Built for: A classic American custom cruiser with big V-twin torque, chrome styling, and a relaxed, thumping ride that prioritizes presence over speed.
Not ideal for: Not a good fit for riders wanting sharp handling, off-road capability, or a lightweight, flickable machine for tight cornering.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine

Capacity: 1442.2 ccm
Power: 67.0 HP (49.3 kW)
CO2 Emissions: 116 CO2 g/km
Torque: 115.3 Nm (11.8 kgf-m) @ 3000 RPM
Engine type: V-Twin, four-stroke
Fuel consumption: 5.00 litres/100 km (20.0 km/l)
Power/weight ratio: 0.2269 HP/kg
Bore x stroke: 95.3 x 101.6 mm
Compression: 8.9:1
Cooling system: Air
Fuel system: Injection
Valves per cylinder: 2

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Belt
Clutch: Multi-plate with diaphragm spring in oil bath

Dimensions & weight

Wheelbase: 1692 mm
Overall length: 2423 mm
Dry weight: 295.3 kg
Wet weight: 309.3 kg
Fuel capacity: 18.50 litres
Ground clearance: 142 mm
Seat height: Not on record - add it

Chassis & suspension

Rake (fork angle): 32.0°
Trail: 127 mm

Brakes & wheels

Front brakes: Single disc
Rear brakes: Single disc
Front tyre: MH90-21
Rear tyre: 160/70-B17

Other

Color options: Vivid black, brilliant silver, black cherry, black pearl, deep cobalt, glacier white pearl, rich sunglo blue, brandy wine sunglo, two-tone rich sunglo blue and chopper blue, two-tone black cherry and black pearl, two-tone fire red pearl and vivid black, t

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2002	2003	2004	2005	2006
Capacity	1450.00 ccm (88.48 cubic inches)	1449.00 ccm (88.42 cubic inches)	1449.00 ccm (88.42 cubic inches)	1449.00 ccm (88.42 cubic inches)	1442.15 ccm (88.00 cubic inches)
Dry weight	292.7 kg (645.3 pounds)	305.0 kg (672.4 pounds)	292.0 kg (643.7 pounds)	292.0 kg (643.7 pounds)	295.3 kg (651.0 pounds)
Seat height	719 mm (28.3 inches)	696 mm (27.4 inches)	660 mm (26.0 inches)	660 mm (26.0 inches)	—
Fuel capacity	18.50 litres (4.89 gallons)	20.00 litres (5.28 gallons)	18.90 litres (4.99 gallons)	18.50 litres (4.89 gallons)	18.54 litres (4.90 gallons)
Color options	—	2-tone sterling silver & vivid black, vivid black, gunmetal pearl, luxury rich red pearl, white pearl, luxury blue pearl	Vivid black, brilliant silver, sierra red, impact blue, glacier white pearl, lava red sunglo, two-tone luxury blue and impact blue, two-tone luxury teal and brilliant silver, two-tone smokey gold and vivid black	Vivid black, brilliant silver pearl, sierra red pearl, chopper blue pearl, lava red sunglo, glacier white pearl, two-tone rich sunglo blue and chopper blue pearl, two-tone black cherry pearl and black pearl, two-tone smokey gold pearl and vivid black, two	Vivid black, brilliant silver, black cherry, black pearl, deep cobalt, glacier white pearl, rich sunglo blue, brandy wine sunglo, two-tone rich sunglo blue and chopper blue, two-tone black cherry and black pearl, two-tone fire red pearl and vivid black, t