Harley-Davidson Softail Fat Boy Special FLSTFB 2015 vs. Harley-Davidson Softail Heritage Classic 114 FLHCS 2021

Technical Specifications Harley-Davidson Softail Fat Boy Special FLSTFB 2015 compared to Harley-Davidson Softail Heritage Classic 114 FLHCS 2021

Harley-Davidson Softail Fat Boy Special FLSTFB 2015

Harley-Davidson Softail Heritage Classic 114 FLHCS 2021

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Differences

Harley-Davidson Softail Fat Boy Special FLSTFB 2015

Harley-Davidson Softail Heritage Classic 114 FLHCS 2021

Engine and Drive Train

Bore	Bore	98.4 mm	Bore	102 mm
Stroke	Stroke	111.1 mm	Stroke	114.3 mm
Engine power	Engine power	79 HP	Engine power	94 HP
Rpm at Max. Power	Rpm at Max. Power	5,250 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	132 Nm	Torque	155 Nm
Rpm at Torque	Rpm at Torque	3,250 rpm	Rpm at Torque	3,000 rpm
Compression Ratio	Compression Ratio	9.6	Compression Ratio	10.5
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Transistor	Ignition	Transistor
Transmission	Transmission	Belt	Transmission	Belt
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	Double cradle

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	130 mm
Front tyre height	Front tyre height	75 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	16 inch
Rear tyre width	Rear tyre width	200 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	16 inch
Length	Length	2,385 mm	Length	2,415 mm
Wheelbase	Wheelbase	1,630 mm	Wheelbase	1,630 mm
Seat Height	Seat Height	670 mm	Seat Height	680 mm
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l
License compliancy	License compliancy	A	License compliancy	A