Boyesen® - Twinshot Adjustable CV40 Fuel Control

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  • Twinshot Adjustable CV40 Fuel Control by Boyesen®. {short description 0}
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Product Details

Twinshot Adjustable CV40 Fuel Control by Boyesen®. Cost effective, bolt-on upgrade that will eliminate the sluggish and inconsistent throttle response of your CV40 carbureted H-D. Converts all O.E.M. H-D CV40 carburetors from 92-06 to a standardized fuel delivery system. It features an adjustable fuel jet to control accelerator pump fuel spray, removable main jet cap for easy access tuning, removable sprayer for convenient service and maintenance, precision accelerator pump plunger improves spray response and stiffer activation arm spring that delivers consistent spray response.


  • Twinshot Adjustable CV40 Fuel Control by Boyesen®. {short description 0}


  • Predictable and Consistant Throttle Response
  • Precision Twin Hole Sprayer Improves Roll-On Acceleration
  • Patented Accelerator Pump Eliminates Bogging & Coughing
  • Adjustable Fuel Jet to control Accelerator Pump Fuel Spray
  • Removable Main Jet Cap for Easy Access Tuning
  • Bolt-on - No Modifications Required
  • Standardized fuel system for application simplicity
  • Fits H-D® O.E.M
  • CV carburetors
  • Advanced design for exceptional performance
  • Proven to deliver long-lasting service life
  • Made to offer outstanding performance

For more than 30 years Boyesen® has specialized in the design and manufacture of high-performance parts to the power sports industry. The confidence instilled by Factory Race Team Research and Development partnerships bleeds all the way down to weekend warriors looking for the highest performing and longest lasting products on the market. Boyesen's tagline, "Leading Edge Performance", is recognized worldwide. From their innovative industry leading performance reeds, to their complete intake track System, Boyesen continues to consistently set the standard for performance and manufacturing build quality.

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Boyesen® - Twinshot Adjustable CV40 Fuel Control
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