Harley-Davidson Softail Fat Boy FLSTF 2017 vs. Harley-Davidson Softail Fat Boy 114 FLFBS 2021

Technical Specifications Harley-Davidson Softail Fat Boy FLSTF 2017 compared to Harley-Davidson Softail Fat Boy 114 FLFBS 2021

Harley-Davidson Softail Fat Boy FLSTF 2017

Harley-Davidson Softail Fat Boy 114 FLFBS 2021

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Differences

Harley-Davidson Softail Fat Boy FLSTF 2017

Harley-Davidson Softail Fat Boy 114 FLFBS 2021

Engine and Drive Train

Bore	Bore	98.4 mm	Bore	102 mm
Stroke	Stroke	111.1 mm	Stroke	114 mm
Engine power	Engine power	75 HP	Engine power	95 HP
Rpm at Max. Power	Rpm at Max. Power	5,020 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	126 Nm	Torque	155 Nm
Rpm at Torque	Rpm at Torque	300 rpm	Rpm at Torque	3,250 rpm
Compression Ratio	Compression Ratio	9.7	Compression Ratio	10.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Transistor	Ignition	Transistor
Transmission	Transmission	Belt	Transmission	Belt
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Valves	Valves	OHV	Valves	OHV
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,690 ccm	Displacement	1,868 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Backbone, Double cradle
Rake	Rake	31 degree	Rake	60 degree
Trail	Trail	147 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	Floating caliper	Shock mount	Floating caliper

Dimensions and Weights

Front tyre width	Front tyre width	140 mm	Front tyre width	160 mm
Front tyre height	Front tyre height	75 %	Front tyre height	60 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	200 mm	Rear tyre width	240 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	40 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	18 inch
Length	Length	2,396 mm	Length	2,370 mm
Width	Width	990 mm	Width	985 mm
Height	Height	1,095 mm	Height	1,095 mm
Wheelbase	Wheelbase	1,635 mm	Wheelbase	1,665 mm
Seat Height	Seat Height	670 mm	Seat Height	675 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	331 kg	Kerb Weight (with ABS)	317 kg
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l
License compliancy	License compliancy	A	License compliancy	A