Beta RX 450 4T 2025 vs. Kawasaki KX 450 2025

Technical Specifications Beta RX 450 4T 2025 compared to Kawasaki KX 450 2025

Beta RX 450 4T 2025

Kawasaki KX 450 2025

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Differences

Beta RX 450 4T 2025

Kawasaki KX 450 2025

Engine and Drive Train

Bore	Bore	97 mm	Bore	96 mm
Stroke	Stroke	60.8 mm	Stroke	62.1 mm
Compression Ratio	Compression Ratio	13.4	Compression Ratio	12.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Throttle Bore	Throttle Bore	46 mm	Throttle Bore	44 mm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Kokusan	Ignition	CDI, Digital
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	Number of gears	5
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	DOHC	Valves	DOHC
Displacement	Displacement	449.3 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	48 mm	Diameter	49 mm
Travel	Travel	305 mm	Travel	305 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	300 mm	Travel	307 mm

Chassis

Frame	Frame	Chromium-molybdenum	Frame	Aluminium
Frame type	Frame type	Double cradle	Frame type	Perimeter

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	270 mm
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Semi-Schwimmsattel

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	240 mm
Piston	Piston	Single piston	Piston	Single piston

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	120 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	19 inch
Width	Width	825 mm	Width	820 mm
Height	Height	1,270 mm	Height	1,270 mm
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,480 mm
Seat Height	Seat Height	945 mm	Seat Height	960 mm
Fuel Tank Capacity	Fuel Tank Capacity	7.01 l	Fuel Tank Capacity	6.2 l