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Key Specifications
Engine
Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder
Power
77 kW / 104Hp @ 4800 rpm
Torque
171 Nm / 126 lb-ft @ 3000 rpm
Fuel Capacity
18.9 Litres / US 5.0 gal
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Full 2025 Harley-Davidson Softail Fat Boy 117 Specifications
Year
2025
Make Model
Harley Davidson Softail Fat Boy 117
Seat Height
Unladen 675 mm / 26.6 in Laden 658 mm / 25.9 in
Wheelbase
1650 mm / 65 in
Ground Clearance
125 mm / 4.9 in
Height
1120 mm / 44.1 in
Length
2365 mm / 93.1 in
Width
965 mm / 40.0 in
Dry Weight
303 kg / 668 lbs
Fuel Capacity
18.9 Litres / US 5.0 gal
Wet Weight
315 kg / 694 lbs
Displacement
1923 cc / 117 cu in
Engine Detail
Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder
Bore x Stroke
103.5 x 114.3 in
Compression Ratio
10.3:1
Cooling System
Air cooled
Exhaust
2-into-2 staggered, catalyst in muffler
Fuel Induction
Electronic Sequential Port Fuel Injection (ESPFI)
Ignition
Single-fire, non-wasted, map-controlled spark ignition
Lubrication
Pressurized, dry-sump with oil cooler
Starter
Electric
Clutch
Mechanical, 10 plate wet, assist & conventional
Final Drive
Belt, 32/66 ratio
Gear Ratios
1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79
Primary Drive
Chain, 34/46 ratio
Transmission / Drive
6 Speed
Frame Type
Mild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports
Suspension - Front
Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers
Suspension - Rear
Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment
Lean Angle
25.6°
Rake
30°
Swingarm
Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer
Trail
104 mm / 4.1 in
Wheel Travel - Front
130 mm / 5.1 in
Wheel Travel - Rear
86 mm / 3.4 in
Brakes - Front
2 x 300mm discs, 4 piston fixed caliper
Brakes - Rear
Single 292mm disc, 2 piston floating caliper
ABS
Standard
Tyres - Front
160/60R18,70V,BW
Tyres - Rear
240/40R18,79V,BW
Wheels
Machined, Lakester cast aluminum
Wheels - Front
18 x 4,5 in
Wheels - Rear
18 x 8.0 in
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