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EVOLUTION TRIAL

EVO 80 Senior MY 2025

EVO 80 Junior MY 2025

Beta is launching the new EVO My 2025 with a continued development that has helped the EVO line in becoming the best-selling trials model in the world. Beta engineers have continued the development of the EVO range for My 2025 with an all-new suspension package that improves the overall balance and rideability of the line.

The EVO range is one of the most extensive and continues to offer a total of six different models, each with its own character and able to meet the needs of all riders, raising the potential and level of enjoyment that each experiences. Proof is the significant presence of EVO models in the paddocks of every form of racing.

The Evo 80 is the ideal bike for newcomers to the sport. The Junior version is by far the easiest bike to use for young riders taking to the saddle of a combustion-engine trial bike for the first time. The Senior version on the other hand is an intermediate step between the smaller bike and the bigger 125 model, sharing the same wheel size with the latter while keeping the intuitive manageability of the 80 cc engine.

TECHNICAL DATA

CHASIS

Frame

Steel

Wheel base

1230 mm

Max length

1925 mm

Max width

815 mm

Max height

1127 mm

Seat height

678 mm

Ground clearance

325 mm

Footrest height

375 mm

Fuel tank capacity

2,5 l

Reserve

0,5 l

Cooling system capacity

600 cc

Front suspension

Hydraulic fork with ø38 mm shaft

Rear suspension

Monoshock with adjustable spring preload and adjustable hydraulic brake in extension

Shock absorber stroke

41 mm

Front wheel travel

165 mm

Rear wheel travel

150 mm

Front brake

disc ø185 mm with 2 opposed pistons

Rear brake

disc ø150 mm with 2 opposed pistons

Front rim

21 x 1,6 – 36 holes

Rear rim

18 x 1,85 – 36 holes

Front tyre

2,75 – 21

Rear tyre

4,00 – 18

ENGINE

Type

Single-cylinder, 2-stroke, liquid cooled,
lamellar induction in the crankcase

Bore

48 mm

Stroke

44 mm

Displacement

79,6 cc

Compression ratio

14,7:1

 

Ignition

Hidria

Spark plug

Champion RN3C

Lubrication

mix with fuel 1,5 % (synthetic oil)

Feeding

with carburettor

Carburettor

Dell’Orto PHBG 21

Clutch

Wet multi-disc clutch

Primary trasmission

Z. 20/77

Transmission

6 speed

Secondary trasmission

Z. 11/60

Engine oil

SAE 20W/30 (300 cc)

 
TECHNICAL DATA
MANUAL
BROCHURE