Beta RR Racing 4T 390
2023Off-road

Beta RR Racing 4T 390

Key specifications

Engine
385 cc
Weight
108 kg
Fuel type
petrol
Fuel capacity
2.4 L
Transmission
6-speed
Seat height
37 mm
Front brakes
Single disc. 2-piston calipers
Rear brakes
Single disc. 1-piston calipers

Overview

Introducing the 2023 Beta RR Racing 4T 390, a motorcycle engineered for the dedicated enduro-offroad enthusiast. This agile machine is a testament to Beta's commitment to performance and innovation, designed to conquer rugged terrains while providing a thrilling riding experience. With its potent mix of power, precision, and cutting-edge technology, the RR Racing 4T 390 stands out in a competitive market, appealing to both seasoned riders and newcomers eager to explore the world of off-road motorcycling. At the heart of the RR Racing 4T 390 is its impressive 385.1 cc engine, featuring titanium valves and a sophisticated Synerject dual electronic fuel injection system. This setup not only enhances fuel efficiency—boasting a remarkable consumption rate of 3.89 liters per 100 km (or 60.47 mpg)—but also delivers a thrilling ride with its 12.4:1 compression ratio. The 6-speed gearbox offers seamless gear transitions, ensuring that riders can tap into the engine's power band at will. Whether you're navigating tight trails or tackling steep inclines, the 390's robust performance and responsive handling promise an exhilarating adventure. Beta has packed the RR Racing 4T 390 with advanced features designed to elevate the riding experience. The lightweight yet durable molybdenum steel frame provides exceptional stability, paired with a KYB hydraulic USD fork and a monoshock rear suspension that deliver 295 mm and 290 mm of travel, respectively. Additionally, the electric starter enhances convenience, while the traction control system offers peace of mind when tackling unpredictable surfaces. With a ground clearance of 320 mm and an adjustable seat height of 940 mm, this bike is tailored for both comfort and performance, allowing riders to confidently navigate challenging terrains. **

Pros

  • Powerful Engine: The 385.1 cc engine delivers excellent torque and responsiveness, ideal for various off-road conditions.
  • Advanced Suspension: The KYB suspension setup provides impressive travel and stability, enhancing rider confidence on rough trails.
  • Fuel Efficiency: With a consumption rate of 60.47 mpg, this bike allows for longer rides without frequent refueling.

Cons

  • Seat Height: At 940 mm, the seat height may be challenging for shorter riders, potentially affecting comfort and control.
  • Weight: Weighing in at 107.5 kg (237.0 pounds), it can feel a bit heavy for beginners when maneuvering in tight spots.
  • Limited Color Options: While the red, blue, and white scheme is eye-catching, options are limited for those seeking a more personalized aesthetic.

Technical details

Source specification data

Make
Beta
Model
RR Racing 4T 390
Category
Enduro-offroad
Starter
Electric
Comments
Traction control.
Color Options
Red/blue/white
Clutch
Wet multi-disc
Gearbox
6-speed
Ignition
Kokusan
Engine Type
Single cylinder, four-stroke
Fuel System
Injection
.
Synerject
dual electronic injection
Bore X Stroke
88.0 x 63.4 mm (3.5 x 2.5 inches)
Compression
12.4:1
Displacement
385.1 ccm (23.50 cubic inches)
Cooling System
Liquid
Engine Details
Titanium valves
Fuel Consumption
3.89 litres/100 km (25.7 km/l or 60.47 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Lubrication System
2 oil pumps
Valves Per Cylinder
4
Transmission Type Final Drive
Chain (final drive)
Dry Weight
107.5 kg (237.0 pounds)
Seat Height
940 mm (37.0 inches) If adjustable, lowest setting.
Fuel Capacity
9.00 litres (2.38 US gallons)
Overall Width
815 mm (32.1 inches)
Overall Height
1270 mm (50.0 inches)
Overall Length
2180 mm (85.8 inches)
Ground Clearance
320 mm (12.6 inches)
Reserve Fuel Capacity
2.30 litres (0.61 US gallons)
Rear Tyre
140/80-18
Frame Type
Molybdenum steel with double cradle split above the exhaust port
Front Tyre
90/90-21
Rear Brakes
Single disc. 1-piston calipers
Front Brakes
Single disc. 2-piston calipers
Rear Suspension
KYB monoshock with progressive compound lever
Front Suspension
KYB hydraulic USD fork with 48mm shaft
Rear Wheel Travel
290 mm (11.4 inches)
Front Wheel Travel
295 mm (11.6 inches)
Rear Brakes Diameter
240 mm (9.4 inches)
Front Brakes Diameter
255 mm (10.0 inches)

Available colors

Red/blue/white