Beta RX 250 2T 2026 vs. KTM 125 SX 2025

Technical Specifications Beta RX 250 2T 2026 compared to KTM 125 SX 2025

Beta RX 250 2T 2026

KTM 125 SX 2025

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Differences

Beta RX 250 2T 2026

KTM 125 SX 2025

Engine and Drive Train

Bore	Bore	66.4 mm	Bore	54 mm
Stroke	Stroke	72 mm	Stroke	54.5 mm
Fuel system	Fuel system	Carburator	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	2-Stroke	Strokes	2-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Mixed	Lubrication	Mixed
Displacement	Displacement	249.33 ccm	Displacement	124.8 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	Kayaba	Brand	WP
Diameter	Diameter	48 mm	Diameter	48 mm
Travel	Travel	305 mm	Travel	310 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	Deflection	Shock mount	Deflection
Travel	Travel	300 mm	Travel	300 mm

Chassis

Frame	Frame	Chromium-molybdenum	Frame	Chromium-molybdenum
Frame type	Frame type	Double cradle	Frame type	Double cradle, Central tube

Brakes Front

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

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	220 mm

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	80 mm
Front tyre height	Front tyre height	100 %	Front tyre height	100 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	110 mm	Rear tyre width	100 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	19 inch
Wheelbase	Wheelbase	1,482 mm	Wheelbase	1,493 mm
Seat Height	Seat Height	945 mm	Seat Height	958 mm
Dry Weight	Dry Weight	100 kg	Dry Weight	92.4 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	7.2 l