Beta Evo 80 Junior - Specifications & Review

Evo 80 Junior

Article Complete Info

Articleid295166
CategoryTrial
MakeBeta
ModelEvo 80 Junior
Year2023

Chassis, Suspension, Brakes & Wheels

FrametypeSteel
FrontbrakesSingle disc. 2-piston calipers
Frontbrakesdiameter175 mm (6.9 inches)
FrontsuspensionHydraulic fork with 33 mm shaft
Fronttyre2.50-19
Frontwheeltravel160 mm (6.3 inches)
RearbrakesSingle disc. 2 opposed pistons
Rearbrakesdiameter150 mm (5.9 inches)
RearsuspensionMonoshock with adjustable spring preload
Reartyre3.50-17
Rearwheeltravel146 mm (5.7 inches)

Engine & Transmission

Borexstroke48.0 x 40.8 mm (1.9 x 1.6 inches)
ClutchWet  multi-disc
Compression14.7:1
CoolingsystemLiquid
Displacement79.6 ccm (4.86 cubic inches)
EnginetypeSingle cylinder, two-stroke
FuelsystemCarburettor. Dell´Orto PHBG 21
Gearbox6-speed
IgnitionHidria
LubricationsystemMix with fuel 1,5 % synthetic oil
TransmissiontypefinaldriveChain (final drive)

Other Specifications

ColoroptionsRed/white

Physical Measures & Capacities

Fuelcapacity2.50 litres (0.66 US gallons)
Groundclearance300 mm (11.8 inches)
Overallheight1070 mm (42.1 inches)
Overalllength1850 mm (72.8 inches)
Overallwidth720 mm (28.3 inches)
Reservefuelcapacity0.50 litres (0.13 US gallons)
Seatheight620 mm (24.4 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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