Beta RR 4T 250 - Specifications & Review

RR 4T 250

Article Complete Info

Articleid541661
CategoryEnduro-offroad
MakeBeta
ModelRR 4T 250
Year2008

Chassis, Suspension, Brakes & Wheels

FrametypeMolybdenum steel with double cradle split above the exhaust port
FrontbrakesSingle disc. double-piston floating caliper
Frontbrakesdiameter255 mm (10.0 inches)
FrontsuspensionHydraulic USD fork with ø45 mm shaft
Fronttyre90/90-21
RearbrakesSingle disc. single-piston floating caliper
Rearbrakesdiameter240 mm (9.4 inches)
RearsuspensionMonoshock with progressive compound lever
Reartyre140/80-18

Engine & Transmission

Borexstroke75.0 x 56.5 mm (3.0 x 2.2 inches)
ClutchWet multi-disc clutch
Compression12.0:1
CoolingsystemLiquid
Displacement250.00 ccm (15.26 cubic inches)
EnginedetailsSingle cylinder, four-stroke
FuelsystemCarburettor. Keihin FCR-MX 37
Gearbox6-speed
IgnitionDC-CDI without trembler with variable ignition
Lubricationsystem2 oil pumps
TransmissiontypefinaldriveChain

Physical Measures & Capacities

Dryweight117.0 kg (257.9 pounds)
Fuelcapacity8.50 litres (2.25 gallons)
Groundclearance320 mm (12.6 inches)
Overallheight1,255 mm (49.4 inches)
Overalllength2,270 mm (89.4 inches)
Overallwidth813 mm (32.0 inches)
Reservefuelcapacity1.00 litres (0.26 gallons)
Seatheight940 mm (37.0 inches) If adjustable, lowest setting.

About Beta

Country of Origin: Italy
Founder: Giuseppe Bianchi & Arrigo Tosi (Betamotor S.p.A.)
Best Known For: Trials and enduro dominance; RR/RS enduros and Evo trials line

Company History

Betamotor began in 1905 building bicycles in Florence and evolved into one of the world’s premier off-road motorcycle makers. The company’s DNA is balance and traction—first in observed trials, where featherweight control and throttle finesse matter, and later in enduro, where day-long reliability meets special-stage speed. Beta’s modern RR/RS enduros are renowned for chassis that communicate clearly, engines with tractable midrange, and suspension valving that works out of the crate for real riders, not just pros. The Evo trials line continues to win at the highest levels, feeding lessons about weight distribution and clutch feel back into the enduro range. Unlike some rivals, Beta embraces rider-scale adjustability—map switches, power valve tweaks, and ergonomic options that let owners tailor bikes without a race truck. Historically, Beta personifies Italian craftsmanship aimed at dirt: elegant castings, tidy looms, and field-friendly service. Club racers and trail riders praise how Betas turn fatigue into flow; the bikes reward precise inputs yet forgive mistakes. In a category where specs are loud, Beta’s quiet confidence—how the bike feels between trees—has built a fiercely loyal following.

Other Years

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