KTM RC 125 2023 vs. Aprilia RX 125 2025

Technical Specifications KTM RC 125 2023 compared to Aprilia RX 125 2025

KTM RC 125 2023

Aprilia RX 125 2025

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Differences

KTM RC 125 2023

Aprilia RX 125 2025

Engine and Drive Train

Bore	Bore	58 mm	Bore	58 mm
Stroke	Stroke	47.2 mm	Stroke	47 mm
Engine power	Engine power	15 HP	Engine power	15 HP
Rpm at Max. Power	Rpm at Max. Power	10,000 rpm	Rpm at Max. Power	10,000 rpm
Torque	Torque	12 Nm	Torque	11.2 Nm
Rpm at Torque	Rpm at Torque	7,500 rpm	Rpm at Torque	8,000 rpm
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
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	OHC
Displacement	Displacement	124.7 ccm	Displacement	124.2 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	43 mm	Diameter	41 mm
Travel	Travel	120 mm	Travel	240 mm

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	150 mm	Travel	210 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	320 mm	Diameter	260 mm
Piston	Piston	Four pistons	Piston	Double piston
Shock mount	Shock mount	Fixed caliper	Shock mount	Floating caliper
Technology	Technology	radial	Technology	Wave

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	230 mm	Diameter	220 mm
Piston	Piston	Single piston	Piston	Single piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	Cornering ABS, Ride by Wire, Traction control	Advanced Rider Assistance Systems	ABS

Dimensions and Weights

Front tyre width	Front tyre width	110 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	70 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	120 mm
Rear tyre height	Rear tyre height	60 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	18 inch
Wheelbase	Wheelbase	1,343 mm	Wheelbase	1,430 mm
Seat Height	Seat Height	824 mm	Seat Height	905 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	156 kg	Kerb Weight (with ABS)	134 kg
Fuel Tank Capacity	Fuel Tank Capacity	13.7 l	Fuel Tank Capacity	7 l
License compliancy	License compliancy	A1	License compliancy	A1