Beta Evo 80 Junior - 2020 Specifications and Reviews

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General information

CategoryTrial
ModelBeta Evo 80 Junior
Year2020

Engine and Transmission Specifications

Gearbox6-speed
Lubrication systemMix with fuel
IgnitionAET
Fuel systemCarburettor
Bore x stroke48.0 x 44.0 mm (1.9 x 1.7 inches)
Compression14.7:1
Engine typeSingle cylinder, two-stroke
Capacity:79.60 ccm (4.86 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions3.50-17
Front tyre dimensions2.50-19
Rear suspension travel146 mm (5.7 inches)
Rear suspensionMonoshock with adjustable spring preload and adjustable hydraulic brake in extension
Front suspension travel160 mm (6.3 inches)
Front suspensionHydraulic fork
Frame typeSteel
 
 

Physical measures and capacities

Reserve fuel capacity0.50 litres (0.13 gallons)
Fuel capacity2.50 litres (0.66 gallons)
Wheelbase120 mm (4.7 inches)
Ground clearance300 mm (11.8 inches)
Overall width720 mm (28.3 inches)
Overall length1,850 mm (72.8 inches)
Overall height1,110 mm (43.7 inches)
Seat height620 mm (24.4 inches) If adjustable, lowest setting.
Dry weight60.0 kg (132.3 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed/black/white

Performance Profile & Rider Fit

Best For

Track15%
City5%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a purpose-built youth trial machine intended for young or novice riders learning technical balance and control under supervision.
PurposeIt's designed purely for low-speed technical trials riding over obstacles, rocks, and tight terrain rather than any kind of speed or distance riding.
Rider FitIts very low seat height and light overall weight make it accessible for smaller or younger riders, though trials riding still demands significant balance, core strength, and standing endurance.
CharacterIt has a nimble, playful, ultra-light character that rewards precise throttle and body control rather than outright power.
Not Ideal ForThis bike is not suitable for adult-sized riders, road use, touring, or anyone seeking speed and highway capability.

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

Rider Reviews

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