Beta Evo 80 Junior - 2021 Specifications and Reviews

The 2021 Beta Evo 80 Junior is a lightweight trial motorcycle designed for young riders and beginners learning fundamental trial techniques. Powered by a 79.6cc two-stroke engine with liquid cooling and a six-speed gearbox, it delivers responsive power ideal for navigating obstacles and developing riding skills on varied terrain.

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General information

CategoryTrial
Year2021
ModelBeta Evo 80 Junior
 
 

Engine and Transmission Specifications

ClutchWet  multi-disc
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMix with fuel 1,5 % synthetic oil
IgnitionHIDRIA
Fuel systemCarburettor. Dell´Orto PHBG 21
Bore x Stroke48.0 x 40.8 mm (1.9 x 1.6 inches)
Compression14.7:1
Engine typeSingle cylinder, two-stroke
Capacity:79.6 ccm (4.86 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter175 mm (6.9 inches)
Front brakesSingle disc
Rear tire3.5-17
Front tire2.5-19
Rear wheel travel146 mm (5.7 inches)
Rear SuspensionMonoshock with adjustable spring preload
Front wheel travel160 mm (6.3 inches)
Front SuspensionHydraulic fork with ø 33 mm shaft
Frame typeSteel

Physical measures and capacities

Reserve fuel capacity0.50 litres (0.13 US gallons)
Fuel capacity2.50 litres (0.66 US gallons)
Wheelbase1210 mm (47.6 inches)
Ground clearance300 mm (11.8 inches)
Overall width720 mm (28.3 inches)
Overall length1850 mm (72.8 inches)
Overall height1070 mm (42.1 inches)
Seat height620 mm (24.4 inches) If adjustable, lowest setting.

Other specs

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

Total comments: 1
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MotorcycleDB Review

The 2021 Beta Evo 80 Junior is an excellent choice for young riders looking to develop their skills on a high-quality motorcycle. This bike features a reliable 80cc engine, lightweight chassis, and responsive suspension, making it easy for beginners to handle and control. The Beta Evo 80 Junior also boasts a durable construction and user-friendly design, ensuring that young riders can enjoy their time on the track or trails with confidence. Overall, the 2021 Beta Evo 80 Junior is a top-notch motorcycle for young riders who want to improve their riding abilities. With its impressive performance and durable construction, this bike offers an ideal platform for young riders to develop their skills and gain confidence on the trails. Whether they're just starting out or looking to take their riding to the next level, the Beta Evo 80 Junior is a reliable and fun choice for young enthusiasts.
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