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2017 Beta Evo Factory 4T


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Engine Specs: 

Type: Single cylinder, 4-stroke, 4-valve, liquid-cooled
Bore: 84mm
Stroke: 53.6mm
Displacement: 297.3cc
Compression Ratio: 11.5:1
Ignition: Electronic 12 volt, 85 watt w/ dual-map switch (aggressive or soft settings)
Spark Plug: NGK CR7EB
Lubrication: Internal oil pump w/ cartridge filter
Carburetor: Mikuni CV
Clutch: Wet multi-disc
Transmission: 5-speed

Frame: Aluminum beam, single wave Hydro-Formed w/built in fuel tank    
Wheelbase: 51.4”
Seat Height: 26”
Ground Clearance: 12.2”
Footrest Height: 13.6”
Dry Weight:153 lbs. dry
Fuel Tank Capacity: .75 US gallons
Front Suspension: 38mm w/adjustable compression and rebound
Rear Suspension: Adjustable single shock w/adjustable compression and rebound, including linkage.
Front Wheel Travel: 6.5”
Rear Wheel Travel: 7.1”
Final Gearing: 11t front, 42t rear
Front Brake: 185mm rotor w/ 4-piston caliper
Rear Brake: 160mm rotor w/ twin-piston caliper
Front/Rear Rim: 21” (Front) 18” (Rear)                                   
Front/Rear Tire: Michelin Trial
Warranty: 6 month Limited Warranty
MSRP: $8599.00

Changes to the chassis are shared on all the new models – 2 Stroke and 4 Stroke – 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 longer wheelbase and shock adjustment of both compression and rebound.
  • New rear linkage ratios: more sensitive and progressive, ensuing better traction and greater thrust in front of high obstacles.
  • 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 Factory graphics.