| Beta's profilation of this bike | 
  | To make the performance of its models, and of its bigger displacement bikes in particular, ever more accessible to the rider in any situation, in addition to user-selectable electronic engine management maps, the RR Racing features the traction control function. | 
    
        | General information | 
  
    | Model | Beta RR Racing 4T 390 | 
    | Year of manufacture | 2023 | 
    | Type | Enduro / offroad | 
    | Rating | Do you know this bike? Click here to rate it. We miss 2 votes to show the rating.
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        | Engine and transmission | 
  
    | Engine size | 385.1 ccm (23.50 cubic inches) | 
    | Type of engine | Single cylinder, four-stroke | 
    | Engine details | Titanium valves | 
    | Compression | 12.4:1 | 
    | Bore x stroke | 88.0 x 63.4 mm (3.5 x 2.5 inches) | 
    | Valves per cylinder | 4 | 
    | Fuel system | Injection. Synerject dual electronic injection | 
    | Fuel control | Double Overhead Cams/Twin Cam (DOHC) | 
    | Ignition | Kokusan | 
    | Lubrication system | 2 oil pumps | 
    | Cooling system | Liquid | 
    | Gearbox | 6-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | Wet multi-disc | 
    | Fuel consumption | 3.89 litres/100 km (25.7 km/l or 60.47 mpg) | 
    | Greenhouse gases | 90.2 CO2 g/km. (CO2 - Carbon dioxide emission) | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Molybdenum steel with double cradle split above the exhaust port | 
    | Front suspension | KYB hydraulic USD fork with 48mm shaft | 
    | Front wheel travel | 295 mm (11.6 inches) | 
    | Rear suspension | KYB monoshock with progressive compound lever | 
    | Rear wheel travel | 290 mm (11.4 inches) | 
    | Front tire | 90/90-21 | 
    | Rear tire | 140/80-18 | 
    | Front brakes | Single disc. 2-piston calipers | 
    | Diameter | 255 mm (10.0 inches) | 
    | Rear brakes | Single disc. 1-piston calipers | 
    | Diameter | 240 mm (9.4 inches) | 
    
        | Physical measures and capacities | 
  
    | Dry weight | 107.5 kg (237.0 pounds) | 
    | Seat height | 940 mm (37.0 inches) If adjustable, lowest setting. | 
    | Overall height | 1270 mm (50.0 inches) | 
    | Overall length | 2180 mm (85.8 inches) | 
    | Overall width | 815 mm (32.1 inches) | 
    | Ground clearance | 320 mm (12.6 inches) | 
    | Wheelbase | 1490 mm (58.7 inches) | 
    | Fuel capacity | 9.00 litres (2.38 US gallons) | 
    | Reserve fuel capacity | 2.30 litres (0.61 US gallons) | 
    
        | Other specifications | 
  
    | Color options | Red/blue/white | 
    | Starter | Electric | 
    | Comments | Traction control. | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 23 Beta RR Racing 4T 390 discussion group or the general Beta discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
        | Compare with another motorcycle | 
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