14 August. Friday 2026
Beta RR Racing 4T 390 - 2023 Specifications and Reviews
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.
General information | |
| Category | Enduro / offroad |
| Year | 2023 |
| Model | Beta RR Racing 4T 390 |
| | |
Engine and Transmission Specifications | |
| Greenhouse gases | 90.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 3.89 litres/100 km (25.7 km/l or 60.47 mpg) |
| Clutch | Wet multi-disc |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | 2 oil pumps |
| Ignition | Kokusan |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Synerject dual electronic injection |
| Valves per Cylinder | 4 |
| Bore x Stroke | 88.0 x 63.4 mm (3.5 x 2.5 inches) |
| Compression | 12.4:1 |
| Engine details | Titanium valves |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 385.1 ccm (23.50 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. 1-piston calipers |
| Diameter | 255 mm (10.0 inches) |
| Front brakes | Single disc. 2-piston calipers |
| Rear tire | 140/80-18 |
| Front tire | 90/90-21 |
| Rear wheel travel | 290 mm (11.4 inches) |
| Rear Suspension | KYB monoshock with progressive compound lever |
| Front wheel travel | 295 mm (11.6 inches) |
| Front Suspension | KYB hydraulic USD fork with 48mm shaft |
| Frame type | Molybdenum steel with double cradle split above the exhaust port |
Physical measures and capacities | |
| Reserve fuel capacity | 2.30 litres (0.61 US gallons) |
| Fuel capacity | 9.00 litres (2.38 US gallons) |
| Wheelbase | 1490 mm (58.7 inches) |
| Ground clearance | 320 mm (12.6 inches) |
| Overall width | 815 mm (32.1 inches) |
| Overall length | 2180 mm (85.8 inches) |
| Overall height | 1270 mm (50.0 inches) |
| Seat height | 940 mm (37.0 inches) If adjustable, lowest setting. |
| Dry weight | 107.5 kg (237.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Traction control. |
| Starter | Electric |
| Color options | Red/blue/white |
Performance Profile & Rider Fit
Best For
Track20%
City25%
Cornering70%
Daily Riding20%
Touring20%
Passenger5%
Rider Profile
| Best For | This is a competition-focused enduro machine best suited to riders with genuine off-road skill and experience, not newcomers to dirt riding. |
| Purpose | Built purely for serious enduro racing and technical trail riding, with no concession to street comfort or long-distance touring. |
| Rider Fit | Its extremely light dry weight and tall 950mm seat height demand an agile, fit rider comfortable standing on pegs and manhandling the bike over rough terrain. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
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.Add a Comment
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