Harley-Davidson Softail Fat Boy FLSTF 2010 vs. Harley-Davidson Softail Street Bob 114 FXBBS 2021

Technical Specifications Harley-Davidson Softail Fat Boy FLSTF 2010 compared to Harley-Davidson Softail Street Bob 114 FXBBS 2021

Harley-Davidson Softail Fat Boy FLSTF 2010

Harley-Davidson Softail Street Bob 114 FXBBS 2021

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Differences

Harley-Davidson Softail Fat Boy FLSTF 2010

Harley-Davidson Softail Street Bob 114 FXBBS 2021

Engine and Drive Train

Bore	Bore	953 mm	Bore	102 mm
Stroke	Stroke	111.1 mm	Stroke	114 mm
Rpm at Max. Power	Rpm at Max. Power	3,500 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	125 Nm	Torque	155 Nm
Compression Ratio	Compression Ratio	9.2	Compression Ratio	10.5
Transmission	Transmission	Belt	Transmission	Belt
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,584 ccm	Displacement	1,868 ccm

Brakes Front

Piston	Piston	Four pistons	Piston	Four pistons

Brakes Rear

Piston	Piston	Double piston	Piston	Double piston

Dimensions and Weights

Front tyre width	Front tyre width	140 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	75 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	19 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	2,396 mm	Length	2,320 mm
Wheelbase	Wheelbase	1,635 mm	Wheelbase	1,630 mm
Seat Height	Seat Height	690 mm	Seat Height	680 mm
Fuel Tank Capacity	Fuel Tank Capacity	20 l	Fuel Tank Capacity	13.2 l