Beta RR X-PRO 4T 390 2025
Find technical data, prices and reviews.

Key Specification Beta RR X-PRO 4T 390 2025
Engine and Drive Train
Bore | 88 mm |
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Stroke | 63.4 mm |
Compression Ratio | 12.48 |
Fuel system | Injection |
Throttle Bore | 42 mm |
Starter | Electric |
Clutch Type | Multiplate in oil-bath |
Ignition | Kokusan |
Transmission | Chain |
Number of gears | 6 |
Cylinders | 1 |
Strokes | 4-Stroke |
Valves per cylinder | 4 |
Valves | DOHC |
Cooling | liquid |
Displacement | 385.6 ccm |
Suspension Front
Front suspension | Upside-Down telescopic fork |
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Diameter | 48 mm |
Travel | 295 mm |
Suspension Rear
Suspension | Swing arm |
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Shock absorber | Monoshock |
Travel | 290 mm |
Chassis
Frame | Chromium-molybdenum |
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Frame type | Double cradle |
Brakes Front
Type | Single disk |
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Diameter | 260 mm |
Piston | Double piston |
Shock mount | Floating caliper |
Technology | Wave |
Brakes Rear
Type | Disc |
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Diameter | 240 mm |
Piston | Single piston |
Shock mount | Floating caliper |
Assistance Systems
Advanced Rider Assistance Systems | Traction control |
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Dimensions and Weights
Front tyre width | 90 mm |
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Front tyre height | 90 % |
Front tyre diameter | 21 inch |
Rear tyre width | 140 mm |
Rear tyre height | 80 % |
Rear tyre diameter | 18 inch |
Length | 2180 mm |
Width | 830 mm |
Height | 1270 mm |
Wheelbase | 1490 mm |
Seat Height | 940 mm |
Dry Weight | 107.5 kg |
Fuel Tank Capacity | 9 l |
Range | 234 km |
Combined CO2 emissions | 94 g/km |
Combined fuel consumption | 3.85 l/100km |
FAQ tires Beta RR X-PRO 4T 390
- Which tires are currently recommended by the 1000PS editorial team for this model?
100% offroad
For hard enduro bikes used in hobby races or hard enduro training sessions, FIM approval is not a criterion for us.
FAQ Beta RR X-PRO 4T 390
- What is the current market price of the Beta RR X-PRO 4T 390?
- The current average market price of a Beta RR X-PRO 4T 390, year of manufacture 2025, is 6,980 USD with an average mileage of 26 km.
- Which one is better? Beta RR X-PRO 4T 390 or {AlternativeBrandModel}?
- You can compare these two motorcycles here. You can find all pros and cons of the comparable model here.
- How about the availability of the Beta RR X-PRO 4T 390?
- Compared to other Enduro motorcycle bikes the availability is poor. There are few Beta RR X-PRO 4T 390 bikes available on the market.
- How popular is the Beta RR X-PRO 4T 390?
- There is a very weak demand for a Beta RR X-PRO 4T 390 on the market.
- What is the data source for the content on this page?
- The data comes from the online motorcycle magazine '1000PS'. 1000PS was founded in 2001. The company is based in Austria. Most of the content is published in German. However, the team also presents motorcycle test videos in English on YouTube. Here you can find 1000PS on Instagram.
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Beta RR X-PRO 4T 390 Pictures
Source: 1000PS
