Product Code: MX41
Availability: In Stock
Price: $849.00
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FCR-MX General: Flat-CR Off-Road Racing Carburetor

Ultimate off-road performance.

Keihin has developed an FCR carburetor designed for the specialized needs of the off-road racer. The FCR-MX carburetor has many new features to take motocross and ATV performance to the next level.

FCR-MX Features

  • ACV for enrichemnt in decelaration.
  • Over-flow drain joint and tube.
  • Hot re-start knob.
  • Quad vents.
  • Throttle cable enclosure.
  • High capacity float chamber.
  • Float chamber baffle for rough terrain.
  • Smooth bore for maximum air flow.
  • Flat slide with vacuum release plate for best throttle response and flow control.
  • Rollers on throttle valves and progressive linkage for smooth operation and control.
  • Equipped with accelerator pump to eliminate flat spots.
  • Designed for easy installations on popular motorcycles.
  • A full range of spigots/adapters/velocity stacks/ is available.
  • Easy jetting which can be done trackside.

Download the Technical Info (PDF)

FCR-MX Sizing Guide

Venturi Size
Engine Size (cc)
37mm 250 - 375
39mm 350 - 500
41mm 450 and larger


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