Aprilia RX 125 2021 vs. KTM 450 SX-F 2021

Technical Specifications Aprilia RX 125 2021 compared to KTM 450 SX-F 2021

Aprilia RX 125 2021

KTM 450 SX-F 2021

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Differences

Aprilia RX 125 2021

KTM 450 SX-F 2021

Engine and Drive Train

Bore	Bore	54 mm	Bore	95 mm
Stroke	Stroke	54.5 mm	Stroke	63.4 mm
Starter	Starter	Kick	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	4
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	125 ccm	Displacement	449.9 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	Double disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	260 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	218 mm	Diameter	220 mm

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	80 mm
Front tyre height	Front tyre height	90 %	Front tyre height	100 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	120 mm	Rear tyre width	110 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	19 inch
Wheelbase	Wheelbase	1,490 mm	Wheelbase	1,485 mm
Seat Height	Seat Height	925 mm	Seat Height	950 mm
Fuel Tank Capacity	Fuel Tank Capacity	10 l	Fuel Tank Capacity	7 l