Beta RR 125 2T - 2020 Specifications and Reviews

The 2020 Beta RR 125 2T is a lightweight two-stroke designed for aspiring motocross and off-road racers seeking an entry-level competition machine. Known for its agile handling, compact dimensions, and responsive power delivery, it excels in technical terrain and youth racing programs. The bike's progressive monoshock rear suspension and low seat height make it accessible to younger or smaller riders developing their skills.

2020
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General information

CategoryEnduro / offroad
Year2020
ModelBeta RR 125 2T
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemAir
Lubrication systemForced with pump
IgnitionAC Kokusan CDI
Fuel systemCarburettor. Keihin PWK36
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression15.0:1
Engine typeSingle cylinder, two-stroke
Capacity:124.8 ccm (7.62 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tire120/90-18
Front tire90/90-21
Rear SuspensionMonoshock with progressive compound lever
Front SuspensionHydraulic fork with ø48 mm shaft
Frame typeSteel double cradle frame

Physical measures and capacities

Reserve fuel capacity3.30 litres (0.87 US gallons)
Fuel capacity9.50 litres (2.51 US gallons)
Wheelbase1477 mm (58.1 inches)
Ground clearance325 mm (12.8 inches)
Overall width815 mm (32.1 inches)
Overall length2167 mm (85.3 inches)
Overall height1270 mm (50.0 inches)
Seat height930 mm (36.6 inches) If adjustable, lowest setting.
Dry weight94.0 kg (207.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterKick
Color optionsRed/White/Black

Performance Profile & Rider Fit

Best For

Track20%
City15%
Cornering60%
Daily Riding15%
Touring10%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to experienced off-road riders comfortable with a light, high-strung two-stroke that demands active riding and clutch/throttle management.
PurposeBuilt purely as a competitive enduro machine for trails, woods, and technical off-road terrain rather than road use.
Rider FitThe tall 930mm seat height, minimal weight at 94kg dry, and kick-start setup favor riders who are fit, confident standing on the pegs, and comfortable with a lean, aggressive off-road stance.
CharacterA raw, lightweight two-stroke enduro weapon that rewards precise inputs, rewards momentum-carrying riding, and thrives on tight, technical off-road sections.
Not Ideal ForNot suitable for riders seeking a comfortable commuter, a passenger-friendly bike, or a machine designed for sustained highway or touring use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2020 Beta RR 125 2T Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 930mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2020 Beta RR 125 2T, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2020 Beta RR 125 2T motorcycle is a lightweight and nimble off-road machine that is perfect for riders looking for a dependable and agile bike. With its 125cc two-stroke engine, the RR 125 2T delivers plenty of power and torque for tackling rugged terrain. The bike's compact size and tight handling make it easy to maneuver through tight trails and obstacles, while its high-quality components ensure durability and performance. Whether you're a beginner looking to hone your off-road skills or a seasoned rider in need of a reliable dirt bike, the 2020 Beta RR 125 2T is a solid choice. In conclusion, the 2020 Beta RR 125 2T motorcycle offers an impressive combination of power, agility, and durability for off-road enthusiasts. Its lightweight design and responsive handling make it a great option for navigating challenging trails, while its dependable two-stroke engine delivers plenty of performance. Whether you're hitting the trails for the first time or seeking a trustworthy off-road machine, the RR 125 2T is a solid choice that won't disappoint.
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