Beta RR Racing 4T 390
2024Off-road

Beta RR Racing 4T 390

Key specifications

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

Overview

Introducing the 2024 Beta RR Racing 4T 390, a formidable contender in the enduro-offroad category, designed specifically for riders who crave both performance and versatility. This machine embodies Beta's commitment to quality and innovation, blending cutting-edge technology with rugged aesthetics. Whether you're conquering challenging trails or seeking to push your limits in competitive environments, the RR Racing 4T 390 stands ready to deliver an exhilarating experience that is sure to satisfy the most discerning off-road enthusiasts. At the heart of this beast lies a potent engine that features titanium valves and a sophisticated Synerject dual electronic injection system, ensuring efficient fuel delivery and optimal performance. With a compression ratio of 12.5:1 and a bore and stroke of 88.0 x 63.4 mm, this 390cc powerhouse generates impressive torque, allowing for confident acceleration and responsiveness on varied terrains. The robust 6-speed gearbox partnered with a wet multi-disc clutch provides seamless shifting, while the liquid cooling system keeps the engine running cool even during the most demanding rides. With a fuel consumption of just 3.89 liters per 100 km, you can ride longer and harder without worrying about frequent refueling. The 2024 Beta RR Racing 4T 390 is not just about raw power; it also boasts a meticulously engineered chassis that enhances stability and control. Constructed with a molybdenum steel frame, the bike offers a perfect blend of strength and lightweight performance, tipping the scales at only 107.5 kg (237 pounds). The KYB hydraulic USD fork and monoshock rear suspension with progressive compound lever provide superior handling and comfort, with generous travel of 295 mm in the front and 290 mm in the rear, allowing you to tackle even the toughest obstacles with confidence. The addition of advanced features like traction control ensures that you maintain grip in slippery conditions, making this bike as reliable as it is thrilling. **

Pros

  • Powerful and Efficient Engine: The advanced fuel injection system and titanium valves deliver impressive power and fuel efficiency.
  • Superior Suspension Setup: KYB suspension components provide excellent travel and handling, enhancing the riding experience on rough terrains.
  • Lightweight and Agile: At just 107.5 kg, the RR Racing 4T 390 is easy to maneuver, making it ideal for both experienced riders and those new to enduro riding.

Cons

  • Higher Seat Height: With a seat height of 940 mm, it may be less accessible for shorter riders, potentially affecting control and comfort.
  • Limited Fuel Capacity: While the bike is efficient, the 9.00 liters fuel tank could require more frequent stops during long rides.
  • Price Point: As a premium enduro motorcycle, the RR Racing 4T 390 may be out of reach for budget-conscious riders, though its features justify the investment for serious enthusiasts.

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
Fuel System
Injection
.
Synerject
dual electronic injection
Bore X Stroke
88.0 x 63.4 mm (3.5 x 2.5 inches)
Compression
12.5:1
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.
Oil Capacity
1.60 litres (1.69 US quarts)
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 floating caliper
Front Brakes
Single disc. 2-piston floating 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