Keihin carburetors have long been considered some of the finest carburetors in the world.  Used by top race teams around the world, the FCR series is the result of decades of roadracing experience and technology improvement.  The FCR carburetors have proven to be some of the most reliable and powerful carburetors available, they include the following features:

• Smooth bore design provides maximum airflow
• Flat slide with vacuum release plate for improved flow control
• Throttle valve roller slide design for smooth operation
• Progressive linkage for precise control
• Equipped with accelerator pump for rapid acceleration with no flat spots
• Designed for easy installation on most models
• Choke is available but not standard, please inquire
  
• TPS available on some models, please inquire

This Keihin FCR carburetor kit is easy bolt on horsepower for ALL KTM400 RXC's and LC4's.  Both FCR39 and FCR41 kits are available.  The 39's provide a slightly higher intake velocity and produces more torque and mid-range, they will work well for stock to modified engines.  The 41's will flow better at higher RPM's and thus produce a little more HP at the sacrifice of some torque down low, they will work well with over-bored or highly modified engines.  Utilizing the stock air box and intake manifolds it includes ALL of the following for a simple installation:

• Keihin FCR pre-jetted flat slide carburetor - no choke, select either FCR39 or FCR41 (choke models available)
  
• Motion Pro push/pull throttle cable set
• Motion Pro push/pull throttle assembly, later models only.  Early models utilize the stock OEM throttle assembly
• Extra jetting for fine tuning
• Keihin user's manual
  
• Extra horsepower is always included! 

NO ONE SUPPLIES A MORE COMPLETE KIT...NO ONE!

These kits are suited for mild to modified motors and will come pre-jetted for immediate installation. Tuning and performance specs have been developed over the years to suit a wide variety of conditions, however some fine tuning may be required to attain the desired combination of performance, fuel mileage, and drivability.  Extra jets are included for fine tuning and additional genuine Keihin parts and accessories are always available at low prices.  Replacement cables are also available.  Alternatively these kits can be built to your own jetting specifications.  Please ask us how.

Please Note:  A choke option can be substituted for an additional $75. Most often the choke is not needed on these carburetors as the accelerator pump is usually sufficient for starting.  If you need more info or would like to order with the option please contact us.

WARNING: This carburetor kit will seriously wake up your machine!

Keihin and Mikuni carburetor kits are available for just about any application, from custom to OEM. Contact us for applications and availability.

It has come to our attention that some "other" retailers are selling these kits incomplete. They don't include all the necessary items for a successful installation and that forces you to buy more items, possibly at a higher cost. These kits from The Power-Barn are 100% COMPLETE, you will need nothing else for installation.

Please feel free to contact us with any additional questions or requests, we are available by direct line, IM, or email. We are available for tuning and setup questions as well as continuing product support after the sale.