Harley-Davidson Fat Boy 117 2025 vs. Harley-Davidson Softail Fat Boy FLSTF 2009

Technical Specifications Harley-Davidson Fat Boy 117 2025 compared to Harley-Davidson Softail Fat Boy FLSTF 2009

Harley-Davidson Fat Boy 117 2025

Harley-Davidson Softail Fat Boy FLSTF 2009

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Differences

Harley-Davidson Fat Boy 117 2025

Harley-Davidson Softail Fat Boy FLSTF 2009

Engine and Drive Train

Bore	Bore	103.5 mm	Bore	95.3 mm
Stroke	Stroke	114.3 mm	Stroke	111.1 mm
Torque	Torque	168 Nm	Torque	120 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	3,300 rpm
Transmission	Transmission	Belt	Transmission	Belt
Displacement	Displacement	1,923 ccm	Displacement	1,584 ccm

Brakes Front

Piston	Piston	Four pistons	Piston	Four pistons

Brakes Rear

Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Dimensions and Weights

Length	Length	2,365 mm	Length	2,400 mm
Wheelbase	Wheelbase	1,650 mm	Wheelbase	1,635 mm
Seat Height	Seat Height	675 mm	Seat Height	645 mm
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l