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Cobra revolutionized Youth Quad Racing in 2005 with its introduction of the race ready ECX70. Not only did they win the ATVA 70cc Production National Motocross Championship, but at the final round at Loretta Lynn’s Dude Ranch, Cobras swept the top seven spots in the production class and in addition swept the podium in the 70cc mod class.

Their new product introduction will be in the form of a kit: With the addition of their bolt-on auto clutch and a big bore cylinder, any ECX70 racer can make their ATV legal for the 90cc Production class.

ECX70 ATV – 70cc Production Class

Improvements:

  • ECX 70Nerf bars (with heel baskets) standard equipment
  • Completely revamped rear suspension system. Better control and more strength
  • Stronger and stiffer Arens design frame
  • Improved engine mounting
  • Improved cooling system
  • Stronger shifting mechanism
  • Additional swingarm mounted chain guide
  • Additional steering stops
  • Improved carburetor

Specifications:

Chassis:

  • ARENS design – High alloy oval tube main structure
  • Dual A-Arm front suspension with Fox Shox and 10.5” of travel
  • ZeroBind™ patent pending steering knuckle design
  • Hydraulic front disc brakes (160mm stainless steel rotors)
  • DirectLink™ rear suspension with 9.5” of travel
  • Hydraulic rear disc brake (180mm stainless steel rotor)
  • Lightweight tubular rear axle
  • Forged front and rear hubs
  • Wheel Base 1067mm (42 inches)
  • Front Track 914.5mm (36 inches)
  • Rear Track 927mm (36.5 inches)

Powertrain:

  • Cobra 70cc 2-stroke
  • Bore: 44.5mm
  • Stroke: 44.6mm
  • Case Reed Boyesen RAD Valve® - 24mm D-Slide carb
  • Water cooled Cylinder and Case
  • Hydraulically actuated clutch with forged basket
  • Six-speed sequential gearbox
  • Tuned pipe and silencer
  • Mixture lubrication
  • Kickstart

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