Beta RR 4T 390 - 2021 Specifications and Reviews

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General information
Category	Enduro / offroad
Year	2021
Model	Beta RR 4T 390
Engine and Transmission Specifications
Clutch	Wet multi-disc
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	2 oil pumps
Ignition	DC-CDI without trembler with variable ignition timing, Kokusan type.
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Carburettor. Synerject dual electronic injection
Bore x Stroke	88.0 x 63.4 mm (3.5 x 2.5 inches)
Compression	12.5:1
Engine type	Single cylinder, four-stroke
Capacity:	385.4 ccm (23.52 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tire	140/80-18
Front tire	90/90-21
Rear wheel travel	290 mm (11.4 inches)
Rear Suspension	Monoshock with progressive compound lever
Front wheel travel	295 mm (11.6 inches)
Front Suspension	Hydraulic USD fork with Ã¸48mm shaft
Frame type	Molybdenum steel with double cradle split above the exhaust port

Physical measures and capacities
Reserve fuel capacity	3.89 litres (1.03 US gallons)
Fuel capacity	9.00 litres (2.38 US gallons)
Wheelbase	1490 mm (58.7 inches)
Ground clearance	320 mm (12.6 inches)
Overall width	815 mm (32.1 inches)
Overall length	2180 mm (85.8 inches)
Overall height	1270 mm (50.0 inches)
Seat height	940 mm (37.0 inches) If adjustable, lowest setting.
Dry weight	107.5 kg (237.0 pounds)
Other specs
Starter	Electric
Color options	Red/white/Black

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2021 Beta RR 4T 390 is a versatile and reliable motorcycle that offers strong performance and handling. With its 390cc engine, it provides a great balance of power and agility, making it suitable for a variety of riding environments. The bike is well-built and designed to withstand off-road challenges, making it a great choice for riders who enjoy exploring rugged terrain. Its comfortable ergonomics and responsive suspension further enhance its overall riding experience, making it a top contender in the mid-size off-road motorcycle segment. In addition to its impressive performance, the 2021 Beta RR 4T 390 also boasts a stylish and modern design that is sure to turn heads. Its sleek lines and bold color options make it a visually appealing choice for riders who value aesthetics. Whether you're hitting the trails or navigating city streets, this motorcycle offers a winning combination of power, versatility, and style. Overall, the 2021 Beta RR 4T 390 is a standout option for riders looking for a capable and eye-catching off-road motorcycle.