Beta RR 390 4T Racing 2018 vs. Beta RR 390 2020

Technical Specifications Beta RR 390 4T Racing 2018 compared to Beta RR 390 2020

Beta RR 390 4T Racing 2018

Beta RR 390 2020

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Differences

Beta RR 390 4T Racing 2018

Beta RR 390 2020

Engine and Drive Train

Bore	Bore	95 mm	Bore	88 mm
Stroke	Stroke	56.2 mm	Stroke	63.4 mm
Compression Ratio	Compression Ratio	12.4	Compression Ratio	12.48
Starter	Starter	Kick	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
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	398 ccm	Displacement	385.6 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Double cradle

Brakes Front

Piston	Piston	Double piston	Piston	Double piston

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Single piston	Piston	Single piston

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	807 mm	Width	815 mm
Height	Height	1,270 mm	Height	1,270 mm
Wheelbase	Wheelbase	1,475 mm	Wheelbase	1,490 mm
Seat Height	Seat Height	940 mm	Seat Height	940 mm
Dry Weight	Dry Weight	113 kg	Dry Weight	107.5 kg
Fuel Tank Capacity	Fuel Tank Capacity	8 l	Fuel Tank Capacity	9 l