Harley-Davidson Softail Low Rider ST 2025 vs. Harley-Davidson Fat Boy 117 2025

Technical Specifications Harley-Davidson Softail Low Rider ST 2025 compared to Harley-Davidson Fat Boy 117 2025

Harley-Davidson Softail Low Rider ST 2025

Harley-Davidson Fat Boy 117 2025

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Differences

Harley-Davidson Softail Low Rider ST 2025

Harley-Davidson Fat Boy 117 2025

Engine and Drive Train

Engine type	Engine type	V	Engine type	V
Bore	Bore	103.5 mm	Bore	103.5 mm
Stroke	Stroke	114.3 mm	Stroke	114.3 mm
Engine power	Engine power	115.5 HP	Engine power	104.5 HP
Rpm at Max. Power	Rpm at Max. Power	5,020 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	173 Nm	Torque	168 Nm
Rpm at Torque	Rpm at Torque	4,000 rpm	Rpm at Torque	3,000 rpm
Compression Ratio	Compression Ratio	10.3	Compression Ratio	10.3
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Transmission	Transmission	Belt	Transmission	Belt
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Displacement	Displacement	1,923 ccm	Displacement	1,923 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Telescopic fork
Diameter	Diameter	43 mm	Diameter	49 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	112 mm	Travel	43 mm
Adjustment	Adjustment	Preload	Adjustment	Preload
Material	Material	Steel	Material	Aluminium

Chassis

Frame	Frame	Steel	Frame	Steel
Rake	Rake	28 degree	Rake	30 degree
Trail	Trail	145 mm	Trail	104 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Fixed caliper	Shock mount	Floating caliper

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Cornering ABS, Engine drag torque control, Tire pressure monitoring system, Cruise control, Traction control	Advanced Rider Assistance Systems	ABS, Riding modes, Cornering ABS, Engine drag torque control, Tire pressure monitoring system, Cruise control, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	110 mm	Front tyre width	160 mm
Front tyre height	Front tyre height	90 %	Front tyre height	60 %
Front tyre diameter	Front tyre diameter	19 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	240 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	40 %
Rear tyre diameter	Rear tyre diameter	16 inch	Rear tyre diameter	18 inch
Length	Length	2,360 mm	Length	2,365 mm
Width	Width	890 mm	Width	965 mm
Wheelbase	Wheelbase	1,615 mm	Wheelbase	1,650 mm
Seat Height	Seat Height	715 mm	Seat Height	675 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	304 kg	Kerb Weight (with ABS)	315 kg
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l
Range	Range	343 km	Range	343 km
Combined CO2 emissions	Combined CO2 emissions	135 g/km	Combined CO2 emissions	128 g/km
Combined fuel consumption	Combined fuel consumption	5.6 l/100km	Combined fuel consumption	5.5 l/100km
Ground clearance	Ground clearance	145 mm	Ground clearance	125 mm

Equipment

Equipment	Equipment	LED-Headlights, USB-C socket	Equipment	Bluetooth, LED-Headlights, USB-C socket