KTM 125 SX 2021 vs. Aprilia RS 125 Replica 2023

Technical Specifications KTM 125 SX 2021 compared to Aprilia RS 125 Replica 2023

KTM 125 SX 2021

Aprilia RS 125 Replica 2023

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Differences

KTM 125 SX 2021

Aprilia RS 125 Replica 2023

Engine and Drive Train

Bore	Bore	54 mm	Bore	58 mm
Stroke	Stroke	54.5 mm	Stroke	47 mm
Fuel system	Fuel system	Carburator	Fuel system	Injection
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	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	2-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	124.8 ccm	Displacement	124.2 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	48 mm	Diameter	40 mm
Travel	Travel	310 mm	Travel	110 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	300 mm	Travel	120 mm

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Central tube	Frame type	Twin Tube

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	300 mm

Brakes Rear

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

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	100 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	100 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,350 mm
Seat Height	Seat Height	950 mm	Seat Height	820 mm
Fuel Tank Capacity	Fuel Tank Capacity	7.5 l	Fuel Tank Capacity	14.5 l