KTM 125 Duke 2021 vs. Harley-Davidson Softail Fat Boy FLSTF 2012

KTM 125 Duke 2021

Harley-Davidson Softail Fat Boy FLSTF 2012

Technical Specifications KTM 125 Duke 2021 compared to Harley-Davidson Softail Fat Boy FLSTF 2012

KTM 125 Duke 2021

Harley-Davidson Softail Fat Boy FLSTF 2012

KTM 125 Duke 2021

Harley-Davidson Softail Fat Boy FLSTF 2012

Engine and Drive Train

Bore	Bore	58 mm	Bore	98.4 mm
Stroke	Stroke	47.2 mm	Stroke	111.1 mm
Engine power	Engine power	15 HP	Engine power	78 HP
Rpm at Max. Power	Rpm at Max. Power	9,500 rpm	Rpm at Max. Power	3,500 rpm
Torque	Torque	12 Nm	Torque	132 Nm
Rpm at Torque	Rpm at Torque	7,500 rpm	Rpm at Torque	3,250 rpm
Compression Ratio	Compression Ratio	12.8	Compression Ratio	9.6
Transmission	Transmission	Chain	Transmission	Belt
Cooling	Cooling	liquid	Cooling	Air
Displacement	Displacement	125 ccm	Displacement	1,690 ccm

Brakes Front

Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

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

Dimensions and Weights

Front tyre width	Front tyre width	110 mm	Front tyre width	140 mm
Front tyre height	Front tyre height	70 %	Front tyre height	75 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	200 mm
Rear tyre height	Rear tyre height	60 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,367 mm	Wheelbase	1,635 mm
Seat Height	Seat Height	830 mm	Seat Height	690 mm
Fuel Tank Capacity	Fuel Tank Capacity	13.4 l	Fuel Tank Capacity	18.9 l
License compliancy	License compliancy	A1	License compliancy	A

Pros and Cons in comparison

KTM 125 Duke 2021

Even in the Euro 5 version, the KTM Duke 125 is the motorbike to beat in the A1 class. Superior equipment, potent engine, good chassis, great display and fun Supermoto mode make not only the heart of 16-year-olds beat faster. The looks polarise, but let the observer clearly recognise the smallest Duke as such. The Duke 125 is not cheap, but it is worth the price.

lively engine

super-agile handling

Supermoto mode as standard

mature chassis

top brakes

sharp TFT display

connectivity (optional)

Optics not to everyone's taste

price high for a 125cc bike