Harley-Davidson Softail Slim FLSL 2021 vs. Harley-Davidson Fat Boy 30th Anniversary 2020

Technical Specifications Harley-Davidson Softail Slim FLSL 2021 compared to Harley-Davidson Fat Boy 30th Anniversary 2020

Harley-Davidson Softail Slim FLSL 2021

Harley-Davidson Fat Boy 30th Anniversary 2020

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Differences

Harley-Davidson Softail Slim FLSL 2021

Harley-Davidson Fat Boy 30th Anniversary 2020

Engine and Drive Train

Engine type	Engine type	V	Engine type	V
Bore	Bore	100 mm	Bore	102 mm
Stroke	Stroke	111.1 mm	Stroke	114.3 mm
Engine power	Engine power	86 HP	Engine power	94 HP
Rpm at Max. Power	Rpm at Max. Power	5,020 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	145 Nm	Torque	155 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	3,000 rpm
Compression Ratio	Compression Ratio	10	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
Cylinders	Cylinders	2	Cylinders	2
Valves	Valves	OHV	Valves	OHV
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,745 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
Rake	Rake	60 degree	Rake	3 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	130 mm	Front tyre width	160 mm
Front tyre height	Front tyre height	90 %	Front tyre height	60 %
Front tyre diameter	Front tyre diameter	16 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	240 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	40 %
Rear tyre diameter	Rear tyre diameter	16 inch	Rear tyre diameter	18 inch
Length	Length	2,310 mm	Length	2,370 mm
Wheelbase	Wheelbase	1,630 mm	Wheelbase	1,665 mm
Seat Height	Seat Height	660 mm	Seat Height	675 mm
Kerb Weight	Kerb Weight	304 kg	Kerb Weight	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