Cobra CX 65


Power Valve 65cc Engine

• Electronic direct computer control of power valve opening and closing
• Accurate, fast, and reliable control of valve provides consistent power application and eliminates valve flutter at the starting gate for better starts.

Power Valve 65cc Engine

• True guillotine valve design seals to the piston when closed and provides smooth exhaust port roof when open
• Drastically improved low speed torque and top-end power

CARD Smart-Leg 37mm USD Fully Adjustable 225mm Travel Front Forks

• Fully Adjustable Rebound and Compression 37mm, Adjustable Hydraulic Bottoming, Super strong front hub/axle combo to compliment the 37mm front fork includes hollow axle and full-clamp fork bottoms.
• Fully tuneable just like a big bike for each rider with precision giving your maximum performance, Works equipment right off the showroom floor!

Pro Circuit Pipe and Silencer

• Improved top end power. New quieter silencer also adds to bottom-end torque delivery.
• More usable power when you need it. Quieter overall noise output.

Expandable Clutch

• Room for an extra drive and friction plate
• More power to the ground for mod and large displacement applications

Water Cooled Crankcase

• More consistent crankcase charge temperatures.
• More power in long motos!

Largest Air Filter in Class

• Better breathing and filtration
• More power (especially in long motos and dusty off-road events)

Largest Air box in Class

• Improved breathing. Large pre-carburetor volume greatly improves throttle response
• Power when you need it!

Indestructible Billet Hubs

• Stronger Wheels
• Reduced maintenance and upgrade costs

9-Gage Stainless Steel Spokes

• Stronger Wheels
• Reduced maintenance and upgrade costs

Billet, Wide Footprint Triple Clamp

• Spreads the clamp load out over a larger area of the fork upper tube
• Improved fork action

Billet, Reversible Chain Adjuster Blocks

• Allows only a small portion of the adjuster bolt to be exposed
• Never DNF from a slipping rear axle or bent adjuster bolt again!

Lightweight Aluminum Swingarm

• Lightest in class by nearly 1 lb – Reduces un-sprung weight
• The rear wheel stays in better contact with the racing surface for improved traction and drive.

Twin-Spar Frame

• Lightest in class by 1 lb – best overall combination of torsional flexibility and lateral stiffness
• Excellent straight-line stability and cornering feel – inspires confidence – reduces lap times

CARD Front Brake System

• Super-adjustable master cylinder
• Fits all sizes of hands better for improved braking ergonomics = harder charging into corners

CARD Front Brake System

• Biggest in class, Four-Piston Front Brake Caliper with 205mm Rotor. Fully adjustable to rider’s hand.
• Better braking = lower lap times

Widest Foot pegs in-Class

• Wider boot area than most big bikes
• Inspires rider confidence on the track

CARD Rear Shock

• High and Low speed compression damping adjustment
• Allows perfect dialing in of the rear suspension for all track conditions

Progressive Rate Rear Suspension

• Linear rising rate without a link! Reduced weight, and friction
• Supple over small bumps for good traction…Absorbs big hits for aggressive riding.

  • Dry Weight // 124 lbs / 56 kg
  • Engine // Cobra 65cc 2-stroke with Electronic Power Valve
  • Bore x Stroke // 44.5mm x 41.7mm
  • Induction // Case Reed V-Force® Reed Valve 26mm Mikuni VM carb
  • Cooling // Water cooled Top-end and Case
  • Clutch // Hydraulically actuated
  • Transmission // Six-speed sequential
  • Exhaust // Tuned pipe and silencer
  • Lubrication // Mixture lubrication – Bel-Ray H1-R
  • Fuel Capacity // 1.1 Gallons / 4.2L
  • Frame // Twin Spar Oval HSLA
  • Wheelbase // 1140mm
  • Seat Height // 762mm
  • Ground Clearance // 250mm
  • Front Brakes // Hydraulic Disk (205mm)
  • Rear Brakes // Hydraulic Disk (165mm)
  • Front Suspension // CARD Smart-Leg 37mm USD Fully Adjustable 224mm travel
  • Rear Suspension // CARD Fully Adjustable (High & Low Speed) 248mm travel
  • Wheel Front / Rear // 14” spoke / 12” spoke (Al rims, Billet hubs, 9ga. spokes)
  • Tires Front / Rear // Dunlop 60-100×14 MX52F – Dunlop 80-100×12 MX52F

2017 Cobra CX65 Highlights & Improvement
At the apex of Cobra’s model lineup is the multi-National championship winning CX65. For 2017, this bike receives a TON of improvements starting with a massive power improvement and continuing end-to-end with revised brakes, transmission, and clutch.

NEW! Tri-Port Cylinder – Our all-new porting for 2017 really wakes up the beast! Not only are peak numbers higher, but the 2017 CX65 achieves an incredibly flat torque curve. The result: lots of grunt for great holeshots and carving the inside line in addition to massive over-rev that keeps pulling down the longest of straightaways.

NEW! Power Valve – The 2017 CX65 receives a new single blade power valve that seals better to the piston improving bottom-end torque.

NEW! Expansion Chamber – All-new pipe for 2017 works in synergy with the new cylinder to produce class-leading horsepower and torque.

NEW! Forged Clutch Cap – Stronger and stiffer forging provides better clutch feel, improved clutch line routing, and piston travel is increased to lengthen clutch life.

NEW! Transmission – New for 2017 are improved involute spline transmission gears that provide buttery smooth shifting under load.

NEW! Rear Brake Caliper – New dual piston design provides improved brake feel, reduces unsprung weight, and packages tightly to the swingarm.

NEW! Bel-Ray Factory Fill – Cobra and Bel-Ray, two proud American companies with a long history in motocross, are teaming up this model year to ensure that each Cobra model comes from the factory with the finest in lubricants and chemicals. This includes everything from wheel bearing grease, to brake fluid, to suspension fluid, to the oil on the air filter.

Breakaway Low-Friction Ergonomic Levers. Both the clutch and front brake feature high quality levers that are designed to give rather than break during a fall.

Class-leading Twin Spar High-Strength Low-Alloy Oval Tube Frame – Super-strong, outstanding lateral strength with just the right amount of torsional rigidity.

X-Track Aluminum Swingarm – Aerospace construction technology delivers light weight and improved rear wheel tracking.

Revolutionary MXT “Smart Leg” Front Fork – Cobra’s exclusive 37mm USD CARD fork is designed to be the finest fork in minicycle racing! The Smart architecture simultaneously provides supple action over small bumps, and progressive control through the biggest of hits…A feature especially important for minicycles that run on tracks torn up by bikes twice their size! This fork also features fully adjustable rebound and compression damping and bottoming control adjustment not found on any other fork of any size!

Super Strong Front Hub/Axle Combo – Complimenting the CARD 37mm front fork is Cobra’s hollow axle and full-clamp fork bottoms. Works equipment right off the showroom floor!

Billet Triple Clamps with Adjustable Bar Mounts – Works level hardware on a junior scale bike!

2013 Cobra CX 65

Suspension Tuning Package

Suspension is valved exclusively for the rider’s size and skill level.

Springs Upgrade
Lighter Springs (Less than 51lbs)
Heavier Springs (Greater than 60lbs)

Seat Upgrade
(Colors: Black, Blue, or Red)
Stomp seat

Anodized Parts Package
(Colors: Black, Blue, Red, or Dark Bronze)
Oil Fill Plug
Triple Clamps
Bar Risers
Rear Sprocket
Wheel Spacers
Brake Eccentric
Seat Button

Hose Upgrade
(Colors: Blue or Red)
Silicone Radiator Hose Upgrade

Plastic Upgrade
(Colors: Black or White)

Graphic Package Upgrade

Full coverage – Shrouds, Fenders, and Number Plate Backgrounds
Include Name, Number, and Country Flag
2013 Cobra Graphic Add-ons
(King style shown)

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