Beta RR 390 4T Racing 2024 vs. Beta RR 390 2021

Technical Specifications Beta RR 390 4T Racing 2024 compared to Beta RR 390 2021

Beta RR 390 4T Racing 2024

Beta RR 390 2021

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Differences

Beta RR 390 4T Racing 2024

Beta RR 390 2021

Engine and Drive Train

Bore	Bore	88 mm	Bore	88 mm
Stroke	Stroke	63.4 mm	Stroke	63.4 mm
Compression Ratio	Compression Ratio	12.48	Compression Ratio	12.48
Fuel system	Fuel system	Injection	Fuel system	Injection
Throttle Bore	Throttle Bore	44 mm	Throttle Bore	42 mm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI, Kokusan	Ignition	CDI, Kokusan
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
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
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	385.6 ccm	Displacement	385.6 ccm

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	90 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	140 mm	Rear tyre width	140 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	18 inch
Length	Length	2,180 mm	Length	2,180 mm
Width	Width	815 mm	Width	815 mm
Height	Height	1,270 mm	Height	1,270 mm
Wheelbase	Wheelbase	1,490 mm	Wheelbase	1,490 mm
Seat Height	Seat Height	940 mm	Seat Height	940 mm
Dry Weight	Dry Weight	107.5 kg	Dry Weight	107.5 kg
Fuel Tank Capacity	Fuel Tank Capacity	9 l	Fuel Tank Capacity	9 l