Enduro Bikes
2023Beta RR Racing 4T 390
39 fields on record
The 2023 Beta RR Racing 4T 390 is a lightweight enduro machine designed for competitive off-road riders seeking reliable performance. Powered by a 385cc four-stroke single-cylinder engine with titanium valves and electronic fuel injection, it delivers responsive power across varied terrain. Known for its agile handling and modern engineering, this bike excels in cross-country racing and technical trail riding.
- Capacity
- 385.1 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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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for serious enduro racing and technical trail riding, with no concession to street comfort or long-distance touring.
- Built for
- A razor-sharp, high-revving single-cylinder enduro weapon with premium KYB suspension and titanium valves, designed to attack trails and technical sections with minimal weight and maximum control.
- Not ideal for
- This bike is not for riders seeking a comfortable commuter, a passenger-friendly ride, or a relaxed long-distance tourer.
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
- 385.1 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
- 88.0 x 63.4 mm
- Compression
- 12.4:1
- 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
- Final drive
- Chain
- 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
- Oil capacity
- 1.60 litres
- Reserve fuel capacity
- 2.30 litres
Chassis & suspension
- Frame
- Molybdenum steel with double cradle split above the exhaust port
- Front suspension
- KYB hydraulic USD fork with 48mm shaft
- Rear suspension
- KYB 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
- 255 mm
- Rear brakes
- Single disc. 1-piston calipers
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
Other
- Color options
- Red/blue/white
- Comments
- Traction control.
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 | 2023 | 2024 | 2025 | 2026 | 2027 |
|---|---|---|---|---|---|
| Capacity | 385 cc | 385 cc | 386 cc | 386 cc | 386 cc |
| Dry weight | 108 kg | 108 kg | 108 kg | 108 kg | 108 kg |
| Seat height | 940 mm | 940 mm | 950 mm | 950 mm | 950 mm |
| Fuel capacity | 9 L | 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 Racing 4T 390?
The 2023 Beta RR Racing 4T 390 has a Capacity of 385.1 ccm (23.50 cubic inches).
How many gears does the Beta RR Racing 4T 390 have?
The 2023 Beta RR Racing 4T 390 has a Gearbox of 6-speed.
How much does the Beta RR Racing 4T 390 weigh?
The 2023 Beta RR Racing 4T 390 has a Dry weight of 107.5 kg (237.0 pounds).
Shop this bike
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The 2023 Beta RR Racing 4T 390 is a top-of-the-line off-road motorcycle that delivers exceptional performance and durability. The 390cc engine provides plenty of power for tackling a wide variety of terrain, while the lightweight chassis and suspension offer a nimble and responsive ride. With advanced features such as a hydraulic clutch, electric start, and a six-speed transmission, this bike is ready to take on any challenge. Whether you're hitting the trails or competing in a race, the Beta RR Racing 4T 390 is a reliable and capable choice.
Overall, the 2023 Beta RR Racing 4T 390 is a fantastic option for riders who demand high performance and quality construction in an off-road motorcycle. Its combination of power, agility, and advanced features make it a standout choice in its class. Whether you're a seasoned rider looking for a competitive edge, or a beginner wanting a reliable and capable bike, the Beta RR Racing 4T 390 is definitely worth considering. With its impressive performance and durable build, this motorcycle is sure to impress even the most discerning off-road enthusiasts.
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