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Enduro Bikes

2021Beta RR 4T 350

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The 2021 Beta RR 4T 350 is a lightweight enduro machine built for serious off-road enthusiasts seeking technical trail performance. Its 349cc liquid-cooled four-stroke engine delivers responsive power through a six-speed transmission, making it ideal for riders tackling challenging terrain. Known for agility and precision handling, this bike excels in rocky climbs and tight singletrack where weight and maneuverability matter most.

Capacity
349.1 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Dry weight
117.5 kg
Seat height
940 mm
Power
Not on record
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⇄ Compare with another bike + Add to garage All model years
Other years 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 42Agility 92Comfort 40Off-road 97Touring 25Road manners 30
Off-road & trail97%
Cornering60%
City riding20%
Daily riding25%
Touring20%
Two-up10%
Track20%
Best for
Built for serious trail riding, technical enduro terrain, and competitive off-road use rather than road commuting.
Built for
A high-revving, titanium-valved four-stroke enduro weapon that rewards aggressive, active riding with sharp handling and strong low-weight agility.
Not ideal for
Not a good fit for new riders, city commuters, or anyone seeking passenger comfort and long-distance touring ease.

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 us
At 940mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2021 Beta RR 4T 350, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Range and running costs

Worked out in your browser - nothing is sent to us

Based 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.

Full specifications

Engine
Capacity
349.1 ccm
CO2 Emissions
88 CO2 g/km
Engine type
Single, four-stroke
Fuel consumption
3.80 litres/100 km (26.3 km/l)
Bore x stroke
89.0 x 57.4 mm
Compression
13.2:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
DC-CDI without trembler with variable ignition timing, Kokusan type.
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
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
117.5 kg
Fuel capacity
9.00 litres
Ground clearance
320 mm
Reserve fuel capacity
2.30 litres
Chassis & suspension
Frame
Molybdenum steel with double cradle split above the exhaust port
Front suspension
Hydraulic USD fork with ø458mm shaft
Rear suspension
Monoshock with progressive compound lever
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
260 mm
Rear brakes
Single disc
Front tyre
90/90-21
Rear tyre
140/80-18
Other
Color options
Red/white/Black

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 20202021202220232024
Capacity 349 cc 349 cc 349 cc 349 cc 349 cc
Dry weight 118 kg 118 kg 118 kg 108 kg 108 kg
Seat height 940 mm 940 mm 940 mm 940 mm 940 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

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MotorcycleDB

The 2021 Beta RR 4T 350 is an impressive off-road motorcycle that offers a perfect balance of power and agility. The 350cc four-stroke engine delivers smooth and tractable power, making it suitable for both beginner and experienced riders. The bike's lightweight chassis and top-notch suspension system provide excellent handling and stability on rough terrain, allowing riders to tackle various obstacles with confidence.

With its high-quality components and advanced technology, the 2021 Beta RR 4T 350 is a top contender in the off-road motorcycle market. The bike's durable construction, comfortable ergonomics, and nimble maneuverability make it a great choice for riders looking for a reliable and versatile machine. Whether you're hitting the trails or competing in off-road races, the Beta RR 4T 350 offers an exciting and capable riding experience.

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Common questions

What is the engine size of the Beta RR 4T 350?

The 2021 Beta RR 4T 350 has a Capacity of 349.1 ccm (21.30 cubic inches).

How many gears does the Beta RR 4T 350 have?

The 2021 Beta RR 4T 350 has a Gearbox of 6-speed.

How much does the Beta RR 4T 350 weigh?

The 2021 Beta RR 4T 350 has a Dry weight of 117.5 kg (259.0 pounds).

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