Aprilia SX 125 2025 vs. Yamaha R125 2023

Technical Specifications Aprilia SX 125 2025 compared to Yamaha R125 2023

Aprilia SX 125 2025

Yamaha R125 2023

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Differences

Aprilia SX 125 2025

Yamaha R125 2023

Engine and Drive Train

Bore	Bore	58 mm	Bore	52 mm
Stroke	Stroke	47 mm	Stroke	58.6 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	9,000 rpm
Torque	Torque	11.2 Nm	Torque	12.4 Nm
Rpm at Torque	Rpm at Torque	8,000 rpm	Rpm at Torque	8,000 rpm
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	ECU	Ignition	Transistor
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	OHC	Valves	OHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	124.2 ccm	Displacement	124.7 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	41 mm	Diameter	41 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Travel	Travel	210 mm	Travel	114 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	300 mm	Diameter	292 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	230 mm

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	80 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	140 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,075 mm	Length	1,955 mm
Width	Width	820 mm	Width	680 mm
Height	Height	1,140 mm	Height	1,065 mm
Wheelbase	Wheelbase	1,425 mm	Wheelbase	1,355 mm
Seat Height	Seat Height	880 mm	Seat Height	825 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	134 kg	Kerb Weight (with ABS)	142 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	11.5 l
License compliancy	License compliancy	A1	License compliancy	A1