2017 Beta Motorcycles EVO 2T Factory 300

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Beta Motorcycles
EVO 2T Factory 300



The latest top-of-the range Beta motorcycles in the Trial segment have arrived: the Evo Factory My 2017. The engineers from the Tuscany-based company have successfully achieved all their goals: reduced weight, higher performance and enhanced riding enjoyment.

The new Evo Factory range is made up of the following versions: the 125cc, 250cc, 300cc 2-stroke as well as the 300cc 4-stroke. As always, Factory versions are a further evolution of the Evo standard at both the technical and design level. Numerous special parts, some made of Ergal (machined aluminum), go hand-in-hand with eye-catching replica graphics. The bike thus represents the most advanced race-ready technology the Beta brand has to offer.

  • The winning features of this engine are its ridability and user-friendliness - but there's no compromising on performance. Thanks to numerous finely-targeted improvements, performance has been further boosted compared to previous versions.
  • All engines benefit from the many upgrades presented on the 2017 standard Evo models, to which the following new developments have been added (300 cc. 2T):
  • Black magnesium engine crankcase: provide major weight savings compared to the standard version.
  • Titanium exhaust manifold: boosts performance significantly while cutting weight.
  • New port timing: for transfer and exhaust ports, lowered with respect to the standard version, consequently increasing torque at low revs.
  • Combustion chamber: with specially designed volume and squish to boost performance.
  • Profiled clutch discs: maintain clutch precision and control even under the most extreme conditions.
  • Changes to the chassis are shared on all the new models – 2T and 4T – and can be summed up as follows:
  • New fork compression adjustment: for the first time - in addition to rebound damping adjustment via a manual knob - compression can now be adjusted via an adjustment screw, positioned on the left at the bottom of the fork leg, allowing riders to personalize compression to suit individual riding styles.
  • New black anodized triple clamp: ensures greater lightness and rigidity.
  • New rear suspension with more travel and shock adjustment of both compression and rebound. Thanks to the double oil remote reservoir tank the performance is improved, especially in the most challenging circumstances.
  • New rear linkage ratios: more sensitive and progressive, ensuing better traction and greater thrust in front of high obstacles.
  • New plate holder kit incorporating indicators: greater off-road practicality, finally letting users go Trial riding in full compliance with the highway code.
  • Lanyard-type kill switch, for safety in case of a fall.
  • Black anodized bar end plugs, to protect grips and ensure proper, long-lasting throttle operation.
  • Black anodized engine oil plugs.
  • Black anodized chain adjusters.
  • Foot pegs, machined from solid, non-slip steel, ensure maximum riding grip even under the most extreme conditions as well as a significant weight reduction.
  • Racing brake discs deliver more powerful braking, weight savings and a more aggressive look.
  • BrakTec brake and clutch pumps for improved brake feel.
  • Michelin X-Light tires, lighter with even more grip.
  • Red combustion chamber cover.
  • New graphics.
Engine Specifications
  • Type: Single-cylinder, 2-stroke, liquid cooled, lamellar induction in the crankcase
  • Bore: 79.0 mm
  • Stroke: 60.5 mm
  • Displacement: 296.5cc
  • Compression ratio: 10.5:1
  • Crankcase: magnesium
  • Exhaust manifold: Titanium
  • Ignition: Electronic Hidria 12V - 110W
  • Spark plug: NGK GR7CI8
  • Lubrication: mix with fuel 1,5 % (synthetic oil)
  • Feeding: with carburettor
  • Carburettor: Keihin PWK ø 28mm
  • Spark advance: Variable
  • Clutch: Wet multi-disc clutch with cush-drive rubber
  • Primary transmission: Z. 22/69
  • Transmission: 6 speed
  • Secondary transmission: Chain
  • Engine oil: SAE 10W/30 (550 cc)
  • For euro 4 version Fuel consumption l/100 km: 2.8
  • For euro 4 version Emissions Co2 [g/km]: 66
Chassis Specifications
  • Frame: Single wave aluminium beam
  • Wheel base: 1305 mm
  • Max length: 1990 mm
  • Max width: 850 mm
  • Max height: 1115 mm
  • Seat height: 660 mm
  • Ground clearance: 310 mm
  • Footrest height: 348 mm
  • Net Weight: 66 kg (33 front.-33 Rear)
  • Fuel tank capacity: 2.8 L
  • Reserve: 0.5 L
  • Cooling system capacity: 600 cc
  • Front suspension: Hydraulic fork with ø38 mm shaft adjustable in compression and rebound
  • Rear suspension: Hydraulic monoshock adjustable in compression and rebound
  • Shock absorber stroke: 62 mm
  • Front wheel travel: 165 mm
  • Rear wheel travel: 180 mm
  • Front brake: Disc ø185 mm with 4 piston caliper
  • Rear brake: Disc ø160 mm with 2 piston caliper
  • Front rim: 21 x 1.6 - 32 holes
  • Rear rim: 18 x 2.15 - 32 holes
  • Front tyre: 2.75 - 21 Michelin X-Light
  • Rear tyre: 4.00 R 18 Michelin X-Light



Engine Type
Single-cylinder, 2-stroke, lamellar induction in the crankcase
Bore and Stroke
79.0 x 60.5 mm
Compression Ratio
Fuel System
Keihin PWK ø 28mm
Electronic Hidria 12V - 110W


Front Suspension
Hydraulic fork with ø38 mm shaft adjustable in compression and rebound
Front Brakes
Disc ø185 mm with 4 piston caliper
Front Tire
2.75 - 21 Michelin X-Light
Rear Suspension
Hydraulic monoshock adjustable in compression and rebound
Rear Brakes
Disc ø160 mm with 2 piston caliper
Rear Tire
4.00 R 18 Michelin X-Light


Dry Weight
66 kg (33 front.-33 Rear)
Fuel Capacity
2.8 L
1305 mm
Ground Clearance
310 mm
Seat Height
660 mm


6 speed
Final Drive

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