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RX 350
352cc2-stroke1 cylLiquid-cooledElectric start
About the RX 350
Beta's first two-stroke motocross bike, a 300 built from the RR with a 19-inch rear wheel and MX suspension. Replaced by the RX 350 for 2026.
- Family
- RX Motocross
- Model years
- 2021 – present
- Also known as
- 300 RX, 300RX, RX 300
9 sources
- dirtbikemagazine.com › new-models-2026-two-stroke-buyers-guide
- motorcycle.com › beta
- motorcycle.com › detail
- dirtbikemagazine.com › 2024-beta-300rx-two-stroke-mx-bike-anno…
- en.wikipedia.org › Beta_(motorcycle_manufacturer)
- betamotor.com › introducing-the-new-beta-rx-range-2027
- dirtbikemagazine.com › mx-test-beta-300rx
- motorcycle.com › beta
- dirtrider.com › 2022-beta-300-rx-first-look-preview
Generations
2026 – present
RX 350CurrentReplaced the RX 300 with a bored and stroked engine, mechanical power valve and Keihin carburetor.
- Engine
- 352cc
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel
- Carburettor
2021 – 2025
RX 300Motocross-specific 300 two-stroke derived from the RR 300 with a 19-inch rear wheel.
- Engine
- 293cc
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 6-speed
- Fuel
- Carburettor
Year specs
- Engine
- 352 cc
- Bore × stroke
- 78 × 73.6 mm
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel system
- Carburettor
- Horsepower
- —
- Torque
- —
- Dry weight
- 100 kg
- Wet weight
- —
- Seat height
- 945 mm
- Ground clearance
- 340 mm
- Wheelbase
- 1482 mm
- Fuel capacity
- 7 L
- MSRP
- $10,290
Beta MY27: Keihin PWK 38, premix; new cast piston, about +1.5 hp claimed.
Gallery
No photos yet.