Harley-Davidson Softail Slim S 2017 vs. Harley-Davidson Softail Slim FLSL 2021

Technical Specifications Harley-Davidson Softail Slim S 2017 compared to Harley-Davidson Softail Slim FLSL 2021

Harley-Davidson Softail Slim S 2017

Harley-Davidson Softail Slim FLSL 2021

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Differences

Harley-Davidson Softail Slim S 2017

Harley-Davidson Softail Slim FLSL 2021

Engine and Drive Train

Engine type	Engine type	V	Engine type	V
Bore	Bore	101.6 mm	Bore	100 mm
Stroke	Stroke	111.1 mm	Stroke	111.1 mm
Engine power	Engine power	92 HP	Engine power	86 HP
Rpm at Max. Power	Rpm at Max. Power	5,010 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	145 Nm	Torque	145 Nm
Rpm at Torque	Rpm at Torque	4,000 rpm	Rpm at Torque	3,000 rpm
Compression Ratio	Compression Ratio	9.2	Compression Ratio	10
Fuel system	Fuel system	Injection	Fuel system	Injection
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
Cylinders	Cylinders	2	Cylinders	2
Valves	Valves	OHV	Valves	OHV
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,801 ccm	Displacement	1,745 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	32.1 degree	Rake	60 degree
Trail	Trail	147 mm	Trail	147 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