2010 Beta Evo 80 Junior Technical Analysis & Specification Breakdown
Engineered by Beta for the trial motorcycle segment, the 2010 Beta Evo 80 Junior relies on a 79.6 cc (4.9 cu in) single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 48.0 x 44.0 mm (1.9 x 1.7 inches) with a 14.7:1 compression ratio.
On the scales, the Evo 80 Junior measures 60 kg (132 lbs) dry. Rider ergonomics and chassis geometry center around a 620 mm (24.4 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,200 mm (47.2 in) wheelbase engineered for quick, flickable steering geometry. The 2.5-liter (0.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Beta archive, this model family spans 3 indexed model years from 2010 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
620 mm (24.4 in)
Engine
Displacement79.6 ccm (4.86 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression14.7:1
Bore x Stroke48.0 x 44.0 mm (1.9 x 1.7 inches)
Fuel SystemCarburettor
IgnitionAET
LubricationMix with fuel
Transmission
Gearbox6-speed
Chassis
Frame TypeSteel
Front SuspensionHydraulic fork
Front Travel160 mm (6.3 inches)
Rear SuspensionMonoshock with adjustable spring preload and adjustable hydraulic brake in extension
Rear Travel146 mm (5.7 inches)
Wheelbase1200 mm (47.2 inches)
Ground Clearance300 mm (11.8 inches)
Wheels & Brakes
Front Tyre2.50-19
Rear Tyre3.50-17
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight60.0 kg (132.3 pounds)
Seat Height620 mm (24.4 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
