Aprilia RS 660 2023 vs. KTM 390 Duke 2023

Aprilia RS 660 2023

KTM 390 Duke 2023

Overview - Aprilia RS 660 2023 vs KTM 390 Duke 2023

Aprilia RS 660 2023

KTM 390 Duke 2023

Technical Specifications Aprilia RS 660 2023 compared to KTM 390 Duke 2023

Aprilia RS 660 2023

KTM 390 Duke 2023

Aprilia RS 660 2023

KTM 390 Duke 2023

Engine and Drive Train

Bore	Bore	81 mm	Bore	89 mm
Stroke	Stroke	63.93 mm	Stroke	60 mm
Engine power	Engine power	100 HP	Engine power	44 HP
Rpm at Max. Power	Rpm at Max. Power	10,500 rpm	Rpm at Max. Power	9,500 rpm
Torque	Torque	67 Nm	Torque	35 Nm
Rpm at Torque	Rpm at Torque	8,500 rpm	Rpm at Torque	7,250 rpm
Compression Ratio	Compression Ratio	13.5	Compression Ratio	12.6
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath, Antihopping	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	659 ccm	Displacement	373.2 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	Kayaba	Brand	WP
Diameter	Diameter	41 mm	Diameter	43 mm
Travel	Travel	120 mm	Travel	142 mm

Suspension Rear

Travel	Travel	130 mm	Travel	150 mm

Chassis

Frame	Frame	Aluminium	Frame	Chromium-molybdenum
Frame type	Frame type	Load-bearing engine	Frame type	Tubular
Rake	Rake	65.9 degree	Rake	65 degree

Brakes Front

Type	Type	Double disk	Type	Single disk
Diameter	Diameter	320 mm	Diameter	320 mm
Piston	Piston	Four pistons	Piston	Four pistons
Technology	Technology	radial	Technology	radial

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	230 mm
Piston	Piston	Double piston	Piston	Single piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie	Advanced Rider Assistance Systems	ABS, Riding modes

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	110 mm
Front tyre height	Front tyre height	70 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	60 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,370 mm	Wheelbase	1,367 mm
Seat Height	Seat Height	820 mm	Seat Height	830 mm
Dry Weight (with ABS)	Dry Weight (with ABS)	169 kg	Dry Weight (with ABS)	149 kg
Fuel Tank Capacity	Fuel Tank Capacity	15 l	Fuel Tank Capacity	13.4 l
License compliancy	License compliancy	A	License compliancy	A2

Equipment

Equipment	Equipment	LED-Headlights	Equipment	LED-Headlights, TFT display

Pros and Cons in comparison

Aprilia RS 660 2023

Unfortunately, our editors did not test this model.

KTM 390 Duke 2023

The KTM 390 Duke is a bike that can polarise. Its strengths lie in its extensive electronic equipment, agile handling and ability to serve as a fun bike for young riders. However, the firm riding position and inconsistent engine tuning could be annoying for experienced riders. Yet the KTM 390 Duke offers plenty of riding pleasure, especially in urban environments and on sporty rides.

Class-leading electronic equipment

Workmanship and material quality commensurate with the price

Quickshifter (for an extra charge)

Agile and playful handling

Easily adjustable suspension

Excellent riding aids and safety features

Lightweight and compact

Perfect for stunts and urban riding

Less precision at high speed

Limited torque curve

Rough single-cylinder engine

Inconsistent engine tuning