FEATURED 2025 Beta 125 RR Race - BT5


















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Dealer Notes
Beautiful 2 stroke 125 RR Race. This bike rips!
Quick, precise, and lean best describe Beta's new RR Race models for the 2025 season. With a new, shortened name to simply “RR Race” to get straight to the point. The 2025 RR Race lineup provides riders with a model whose performance is second to none.
The 2025 RR Race bikes represent the race-ready versions of Beta's newly-introduced X-Pro models, with a series of modifications to the engine, suspension, and frame, making them ideal for providing their best on the track. Designed for both low and high-speed courses, the Race models will provide riders with the confidence and Rideability that only Beta can deliver.
As it has repeatedly demonstrated, Beta believes in the potential of young people, and the manufacturer has once again chosen to highlight this with the new RR Race Model Year 2025 bikes, making a series of changes to the small 125cc engine. The purpose of this intervention was to increase the power delivered by the 125 two-stroke along the entire delivery curve, intensifying the maximum peak horsepower available. This result has been made possible by a new piston and new cylinder head. Thanks to these changes the engine is more reactive, powerful and throaty, increasing even further the explosiveness of the maximum performance.
The new 125cc engine therefore now has a greater range of use than in the past, where previous improvements had already raised the bar for the model, increasing power at high engine speeds without losing torque in the low end.
Info
Industry
Powersports
Make
Beta
Model
125 RR Race
Trim
Base
Year
2025
Price
8999
Stock Number
BT5
Category
Motorcycles
Subcategory
Motorcycle Off Road
Condition
New
Vin
ZD3E4E662S0100082
Specifications
Brakes
Front - 260 mm floating rotor Rear - 240 mm rotor
Rims
Front - 21 in. Rear - 18 in.
Tires
Front / Rear - Maxxis Maxx Enduro
Ground Clearance
13.6 in.
Height
Footrest - 16.9 in.
Seat Height
37.4 in.
Weight
Dry - 207 lb. (wet weight, no fuel)
Wheelbase
58.1 in.
Final Drive
O-ring chain
Transmission
6 Speed
Bore x Stroke
54 x 54.5 mm
Clutch
Wet Multi-Disk
Compression Ratio
15.2:1
Cooling
Liquid
Cylinders
Single
Displacement
124.8 cc
Engine
Beta built, 2-stroke, with BPV power valve system
Exhaust
Valve Train - Beta Progressive Valve (BPV)
Fuel Capacity
2.6 US gal.
Fuel System
Kelhin PWK 36 mm
Ignition
AC-CDI Kokusan Spark Plug - NGK BR9ECMVX
Lubrication
Pre-mix
Starting
Kick
Frame
Molybdenum steel / Double Cradle with quick air filter access
Front Suspension
48 mm KYB AOS Closed Cartridge with adjustable compression and rebound Travel - 11.8 in.
Rear Suspension
KYB 46 mm body with adjustable rebound and high / low speed on compression adjustment Travel - 11.3 in.