Keihin MCR-MX41 Carb - for over 450cc bikes and quads

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The ultimate for off-road performance.

Keihin has developed an FCR carburetor designed for the specialized needs of the off-road racer.

The FCR-MX carb has many new features to take motocross and ATV performance to the next level.

Standard jetting:

  • Main jet: #160
  • Main Air Jet: #200
  • Slow Jet: #48
  • Slow Air Jet: #100
  • Jet Needle: OC-EMR
  • Throttle Viv. Cutaway: 1.5
  • Needle Valve Seat: 3.8
  • Float Height: 9mm

These are some of the unique features of the Keihin FCR-MX for off-road applications:

  • Over-flow drain joint and tube
  • Throttle cable enclosure
  • High capacity float chamber
  • Float chamber baffle for rough terrain
  • Quad vents

For 450cc and larger bikes and quads