Harley-Davidson Fat Boy 117 2026 vs. Harley-Davidson Sportster S 2026

Technical Specifications Harley-Davidson Fat Boy 117 2026 compared to Harley-Davidson Sportster S 2026

Harley-Davidson Fat Boy 117 2026

Harley-Davidson Sportster S 2026

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Differences

Harley-Davidson Fat Boy 117 2026

Harley-Davidson Sportster S 2026

Engine and Drive Train

Engine type	Engine type	V	Engine type	V
Bore	Bore	103.5 mm	Bore	105 mm
Stroke	Stroke	114.3 mm	Stroke	72.3 mm
Engine power	Engine power	103 HP	Engine power	122 HP
Rpm at Max. Power	Rpm at Max. Power	5,020 rpm	Rpm at Max. Power	7,500 rpm
Torque	Torque	168 Nm	Torque	125 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	6,000 rpm
Compression Ratio	Compression Ratio	10.3	Compression Ratio	12
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Transmission	Transmission	Belt	Transmission	Belt
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Displacement	Displacement	1,923 ccm	Displacement	1,252 ccm

Suspension Front

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

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	Deflection	Shock mount	Deflection
Adjustment	Adjustment	Preload	Adjustment	Compression, Preload, Rebound
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Steel	Frame	Steel
Rake	Rake	30 degree	Rake	30 degree
Trail	Trail	104 mm	Trail	148 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	Floating caliper

Brakes Rear

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

Assistance Systems

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

Dimensions and Weights

Front tyre width	Front tyre width	160 mm	Front tyre width	160 mm
Front tyre height	Front tyre height	60 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	18 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	240 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	40 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	16 inch
Length	Length	2,365 mm	Length	2,270 mm
Width	Width	965 mm	Width	840 mm
Wheelbase	Wheelbase	1,650 mm	Wheelbase	1,520 mm
Seat Height	Seat Height	675 mm	Seat Height	765 mm
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	11.7 l
Range	Range	343 km	Range	229 km
Combined CO2 emissions	Combined CO2 emissions	128 g/km	Combined CO2 emissions	126 g/km
Combined fuel consumption	Combined fuel consumption	5.5 l/100km	Combined fuel consumption	5.1 l/100km
Ground clearance	Ground clearance	125 mm	Ground clearance	90 mm

Equipment

Equipment	Equipment	Bluetooth, LED-Headlights, USB-C socket, Charging & power, Connectivity, Lighting	Equipment	Bluetooth, LED daytime running lights, LED-Headlights, TFT display, USB-C socket, Modern electronics, Charging & power, Connectivity, Lighting