2023 Beta Evo 80 Senior Technical Analysis & Specification Breakdown
Engineered by Beta for the trial motorcycle segment, the 2023 Beta Evo 80 Senior utilizes a 79.6 cc (4.9 cu in) liquid-cooled single cylinder, two-stroke layout. 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.
Rider ergonomics and chassis geometry center around a 678 mm (26.7 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,230 mm (48.4 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 2021 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
678 mm (26.7 in)
Engine
Displacement79.6 ccm (4.86 cubic inches)
Engine TypeSingle cylinder, two-stroke
Compression14.7:1
Bore x Stroke48.0 x 44.0 mm (1.9 x 1.7 inches)
Fuel SystemCarburettor. Dell´Orto PHBG 21
IgnitionHIDRIA
LubricationMix with fuel 1,5 % synthetic oil
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchWet multi-disc
Chassis
Frame TypeSteel
Front SuspensionHydraulic fork with 38 mm shaft
Front Travel165 mm (6.5 inches)
Rear SuspensionMonoshock with adjustable spring preload
Rear Travel150 mm (5.9 inches)
Wheelbase1230 mm (48.4 inches)
Ground Clearance325 mm (12.8 inches)
Wheels & Brakes
Front Tyre2.75-21
Rear Tyre4-18
Front BrakesSingle disc. 2 piston caliper
Front Brake Ø185 mm (7.3 inches)
Rear BrakesSingle disc. 2 opposed pistons
Rear Brake Ø150 mm (5.9 inches)
Dimensions & Weight
Seat Height678 mm (26.7 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.
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.
