
Beta RR 4T 390
Key specifications
Overview
Introducing the 2023 Beta RR 4T 390, a formidable contender in the Enduro-offroad motorcycle category. Beta, a brand revered for its commitment to performance and innovation, has designed this machine to cater to both seasoned riders and newcomers eager to tackle rugged terrains. With its striking red, white, and black color scheme, the RR 4T 390 not only looks the part but is engineered to deliver an exhilarating riding experience that stands out in the competitive off-road market. At the heart of the Beta RR 4T 390 lies a robust 385.6 ccm engine, equipped with titanium valves for enhanced durability and performance. With a compression ratio of 12.5:1, this powerful engine produces impressive torque and responsiveness, ensuring a thrilling ride on any trail. The Elldor dual electronic fuel injection system guarantees optimal fuel delivery, enhancing efficiency and reducing emissions. Riders will appreciate the 6-speed gearbox that offers smooth shifting and allows for seamless transitions between challenging terrains. With a fuel consumption rate of just 3.89 liters per 100 km, the RR 4T 390 proves to be both powerful and economical, making it an excellent choice for long adventures. Beyond its impressive engine, the RR 4T 390 boasts a robust chassis and advanced suspension system designed to handle the rigors of off-road riding. The molybdenum steel frame, with its double cradle split design, provides exceptional rigidity and stability, while the hydraulic USD fork with a 48 mm shaft ensures precise handling and responsiveness. Riders will appreciate the monoshock rear suspension with a progressive compound lever, which absorbs bumps and enhances comfort during long rides. The combination of a lightweight design at just 107.5 kg (237 pounds) and a generous ground clearance of 320 mm (12.6 inches) allows riders to navigate obstacles with confidence. **
Pros
- Powerful Engine Performance: The 385.6 ccm engine with titanium valves delivers excellent torque and efficiency, making it perfect for off-road adventures.
- Advanced Suspension: The premium hydraulic USD fork and monoshock rear suspension provide superior handling and comfort on rugged trails.
- Lightweight and Agile: Weighing only 107.5 kg, the RR 4T 390 offers nimble handling and easy maneuverability, ideal for technical off-road riding.
Cons
- Seat Height: The seat height of 940 mm may be challenging for shorter riders, potentially affecting their comfort and control.
- Limited Fuel Capacity: With a fuel tank of 9 liters, longer excursions may require additional planning for refueling.
- Market Competition: While the RR 4T 390 excels in many areas, it faces stiff competition from other well-established brands in the enduro segment, making it essential for riders to consider their options carefully.
Technical details
Source specification data
- Make
- Beta
- Model
- RR 4T 390
- Category
- Enduro-offroad
- Starter
- Electric
- Color Options
- Red/white/black
- Clutch
- Wet multi-disc
- Gearbox
- 6-speed
- Ignition
- Kokusan
- Engine Type
- Single cylinder, four-stroke
- Fuel System
- Injection
- .
- Elldor
- dual electronic injection
- Bore X Stroke
- 89.0 x 63.4 mm (3.5 x 2.5 inches)
- Compression
- 12.5:1
- Displacement
- 385.6 ccm (23.53 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)
- Wheels
- Wire spoked
- 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. Single-piston caliper
- Front Brakes
- Single disc. 2-piston calipers
- Rear Suspension
- Monoshock with progressive compound lever
- Front Suspension
- Hydraulic USD fork with 48 mm shaft
- Rear Brakes Diameter
- 240 mm (9.4 inches)
- Front Brakes Diameter
- 260 mm (10.2 inches)