Aprilia SX 125 2025 vs. Aprilia RX 125 2021

Technical Specifications Aprilia SX 125 2025 compared to Aprilia RX 125 2021

Aprilia SX 125 2025

Aprilia RX 125 2021

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Differences

Aprilia SX 125 2025

Aprilia RX 125 2021

Engine and Drive Train

Bore	Bore	58 mm	Bore	54 mm
Stroke	Stroke	47 mm	Stroke	54.5 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	8,250 rpm
Torque	Torque	11.2 Nm	Torque	12.2 Nm
Rpm at Torque	Rpm at Torque	8,000 rpm	Rpm at Torque	8,000 rpm
Starter	Starter	Kick	Starter	Kick
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
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	124.2 ccm	Displacement	125 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock

Brakes Front

Type	Type	Single disk	Type	Double disk
Diameter	Diameter	300 mm	Diameter	260 mm
Piston	Piston	Double piston	Piston	Double piston

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	218 mm
Piston	Piston	Single piston	Piston	Single piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	80 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	120 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	18 inch
Length	Length	2,075 mm	Length	2,243 mm
Width	Width	820 mm	Width	840 mm
Wheelbase	Wheelbase	1,425 mm	Wheelbase	1,490 mm
Seat Height	Seat Height	880 mm	Seat Height	925 mm
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	10 l
License compliancy	License compliancy	A1	License compliancy	A1