Enduro Bikes
2023Beta RR 4T 390
36 fields on record
The 2023 Beta RR 4T 390 is a lightweight enduro machine designed for off-road enthusiasts seeking reliable trail performance. Its 386cc liquid-cooled four-stroke engine with titanium valves and dual electronic fuel injection delivers responsive power across varied terrain. Best known for nimble handling and durability, it suits riders prioritizing agility and dependability over raw horsepower.
- Capacity
- 385.6 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 107.5 kg
- Seat height
- 940 mm
- Power
- Not on record
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What’s new for the 2023 Beta RR 4T 390
vs the 2022| Spec | 2022 | 2023 |
|---|---|---|
| Front suspension | Hydraulic USD fork with ø48mm shaft | Hydraulic USD fork with 48 mm shaft |
| Front brakes | Single disc | Single disc. 2-piston calipers |
| Rear brakes | Single disc | Single disc. Single-piston caliper |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built specifically for technical enduro and trail riding rather than road use or commuting.
- Built for
- It has the character of a lightweight, high-revving dirt weapon that rewards aggressive, active riding over technical terrain.
- Not ideal for
- This is not the bike for riders wanting a comfortable, low, passenger-friendly machine for daily road commuting or long highway touring.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 385.6 ccm
- CO2 Emissions
- 90 CO2 g/km
- Engine type
- Single, four-stroke
- Fuel consumption
- 3.90 litres/100 km (25.6 km/l)
- Bore x stroke
- 89.0 x 63.4 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Kokusan
- Valves per cylinder
- 4
- Lubrication system
- 2 oil pumps
- Power
- Not on record - add it
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Clutch
- Wet multi-disc
Dimensions & weight
- Wheelbase
- 1490 mm
- Overall length
- 2180 mm
- Overall width
- 815 mm
- Overall height
- 1270 mm
- Seat height
- 940 mm
- Dry weight
- 107.5 kg
- Fuel capacity
- 9.00 litres
- Ground clearance
- 320 mm
- Reserve fuel capacity
- 2.30 litres
Chassis & suspension
- Frame
- Molybdenum steel with double cradle split above the exhaust port
- Front suspension
- Hydraulic USD fork with 48 mm shaft
- Rear suspension
- Monoshock with progressive compound lever
- Front wheel travel
- 295 mm
- Rear wheel travel
- 290 mm
Brakes & wheels
- Front brakes
- Single disc. 2-piston calipers
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc. Single-piston caliper
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
Other
- Color options
- Red/white/Black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|
| Capacity | 385 cc | 385 cc | 386 cc | 386 cc |
| Dry weight | 108 kg | 108 kg | 108 kg | 108 kg |
| Seat height | 940 mm | 940 mm | 940 mm | 940 mm |
| Fuel capacity | 9 L | 9 L | 9 L | 9 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Beta RR 4T 390?
The 2023 Beta RR 4T 390 has a Capacity of 385.6 ccm (23.53 cubic inches).
How many gears does the Beta RR 4T 390 have?
The 2023 Beta RR 4T 390 has a Gearbox of 6-speed.
How much does the Beta RR 4T 390 weigh?
The 2023 Beta RR 4T 390 has a Dry weight of 107.5 kg (237.0 pounds).
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Similar bikes
Same category, weighted similarity
2023 Beta RR Racing 4T 390
385 cc · 108 kg · 940 mm
2025 Beta RR Racing 4T 390
386 cc · 108 kg · 950 mm
2023 Suzuki DR-Z400S
398 cc · 132 kg · 935 mm
2023 VeliMotor VMX3000 E-Dirtbike
108 kg · 900 mm
2023 Honda CRF300RX Enduro
296 cc · 108 kg · 961 mm
2023 Husqvarna FE 350 Heritage
350 cc · 107 kg · 950 mm
The 2023 Beta RR 4T 390 is a powerful and capable off-road motorcycle that is sure to impress riders of all skill levels. With a 390cc engine, this bike has plenty of power to tackle even the toughest trails. Its lightweight design and agile handling make it easy to maneuver through tight corners and technical terrain. The bike also features top-of-the-line suspension and brakes, providing excellent control and confidence for riders. Overall, the 2023 Beta RR 4T 390 is a fantastic choice for anyone looking for a high-performance off-road motorcycle.
In addition to its impressive performance, the 2023 Beta RR 4T 390 also boasts a sleek and stylish design. Its modern aesthetics are sure to turn heads on the trails, and its durable construction ensures that it can withstand the rigors of off-road riding. The bike also comes equipped with all the necessary features for a great riding experience, including a comfortable seat, easy-to-read gauges, and convenient storage options. Whether you're a seasoned off-road rider or just getting started, the 2023 Beta RR 4T 390 is a top-notch choice for anyone looking for a reliable and capable motorcycle.
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