Aprilia SXR 50 2021 vs. Aprilia RS4 50 2020

Technical Specifications Aprilia SXR 50 2021 compared to Aprilia RS4 50 2020

Aprilia SXR 50 2021

Aprilia RS4 50 2020

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Differences

Aprilia SXR 50 2021

Aprilia RS4 50 2020

Engine and Drive Train

Bore	Bore	39 mm	Bore	39.9 mm
Stroke	Stroke	41.35 mm	Stroke	40 mm
Engine power	Engine power	3.3 HP	Engine power	2.7 HP
Rpm at Max. Power	Rpm at Max. Power	7,000 rpm	Rpm at Max. Power	5,250 rpm
Torque	Torque	3.3 Nm	Torque	3.5 Nm
Rpm at Torque	Rpm at Torque	6,250 rpm	Rpm at Torque	5,500 rpm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Centrifugal force	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Belt	Transmission	Chain
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	2-Stroke
Cooling	Cooling	Air	Cooling	liquid
Displacement	Displacement	50 ccm	Displacement	50 ccm

Suspension Front

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

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Monoshock

Brakes Front

Piston	Piston	Double piston	Piston	Four pistons

Brakes Rear

Type	Type	Drum	Type	Disc

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	70 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	12 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	120 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	12 inch	Rear tyre diameter	17 inch
Length	Length	1,960 mm	Length	1,968 mm
Width	Width	803 mm	Width	760 mm
Wheelbase	Wheelbase	1,360 mm	Wheelbase	1,353 mm
Seat Height	Seat Height	775 mm	Seat Height	810 mm
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	14 l
Top Speed	Top Speed	45 km/h	Top Speed	45 km/h