2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR — Full Product Overview, Specs, and Comparisons
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is a genuine replacement carburetor designed specifically for Yamaha’s high‑performance YZ426F motocross motorcycles from the 2001 and 2002 model years. As a factory original equipment manufacturer (OEM) component, the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR ensures perfect fitment, optimal engine performance, and continued reliability on and off the track.
In this detailed product overview, we’ll cover the specifications, performance features, installation considerations, related products comparisons, and market position of the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR.
Precise OEM Replacement: What It Is
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is a full OEM carburetor system, including intake and throttle components, built by Keihin for Yamaha. As a direct replacement part, this OEM carburetor mirrors the design and performance parameters of the original unit installed at the factory.
Riders who own 2001 or 2002 Yamaha YZ426F bikes rely on the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR for consistent throttle response, accurate fuel metering, and compatibility with stock engine tuning.
Key Specifications and Features
Engine compatibility:
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Specifically engineered for Yamaha YZ426F motorcycles from 2001 and 2002.
Carburetor type:
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Keihin FCR (Flat Carburetor with Real‑World throttle response) design
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OEM specification part
Fuel delivery:
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Mechanical fuel metering
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Precise jetting for factory engine settings
Airflow design:
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Smooth venturi and slide for predictable throttle transitions
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Optimized for two‑stroke choke and idle stability
Throttle intake:
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Integrated throttle assembly matching OEM Yamaha design
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Cable‑ready for plug‑and‑play installation
Construction:
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Durable cast aluminum body
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OEM seals and gaskets included
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Designed for motocross conditions
This means the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR delivers reliable performance and hardware longevity consistent with Yamaha’s original engineering standards.
How It Works
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR uses a Keihin FCR design, which is known in the motocross community for smooth throttle response and consistent atomization across a wide RPM range. Unlike generic aftermarket carburetors, OEM Keihin units adhere strictly to Yamaha’s factory calibration.
When installed, the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR manages the air–fuel mixture entering the engine. It balances fuel flow with throttle input, ensuring strong acceleration, predictable idle, and consistent top‑end performance on the track.
Installation and Fitment
Because the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is an OEM replacement, installation is straightforward for riders familiar with motorcycle maintenance. Key points include:
• Direct bolt‑on replacement for the 2001/2002 Yamaha YZ426F
• Compatible with stock airbox and intake manifolds
• No modifications typically needed
• Includes necessary seals and gaskets for proper sealing
However, proper setup and synchronization with the existing engine configuration (jetting, needle height, float level) should be verified to maintain performance and avoid fuel imbalance.
Performance and Track Use
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR provides riders with:
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Responsive throttle at low and mid RPMs
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Smooth transitions between engine speeds
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Reliable fuel delivery under motocross conditions
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OEM‑level performance matching factory tuning
For riders who push their machines hard, this carburetor helps retain consistent performance lap after lap, minimizing flat spots and throttle hesitation.
Comparison with Related Products
Here’s how the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR compares to popular alternatives:
OEM vs Aftermarket Carburetors
• Stock OEM Keihin FCR: factory‑accurate performance and tuning
• Aftermarket replacement (generic): may require additional tuning and unpredictable throttle response
• High‑performance aftermarket carburetors (e.g., Dell’Orto, Mikuni): offer power gains but require jets and tuning changes
OEM vs Rebuilt/Refurbished Units
• New OEM: optimal reliability and no prior wear
• Rebuilt: cost‑effective, but components may have unknown history and wear
Compared to generic aftermarket carburetors, the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR delivers better consistency and reduced setup complexity.
Market Value and Availability
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is typically listed in:
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OEM parts catalogs
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Motorcycle salvage or used parts markets
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Online motorcycle parts retailers
Prices vary by condition (new OEM vs used), but OEM Keihin carburetors maintain higher aftermarket value because of their fitment precision and brand reputation.
Maintenance Tips
To ensure longevity of the 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR:
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Clean carburetor jets and float bowl periodically
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Check and replace old seals and O‑rings
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Use high‑quality fuel and carb cleaner
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Inspect throttle cable tension and slide movement
Proper maintenance prolongs life and prevents hard starting or fuel starvation.
Final Summary
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR remains a top choice for riders seeking genuine factory performance and reliability on their early YZ426F motocross bikes. Its OEM design, accurate fuel delivery, and compatibility with stock components make it a valuable replacement part that retains performance consistency with Yamaha’s original setup.














Finlay T. –
Greetings from Krakow, Poland. I am delighted with the purchase of this 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR. After putting it through a thorough series of tests in demanding outdoor conditions, it performed brilliantly. Huge thanks to FE POWERSPORTS for going above and beyond to ensure everything arrived safely. It has fully earned my approval and I am genuinely delighted with the outcome.
Maximilian L. –
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Mikkel R. –
Huge thanks to FE POWERSPORTS for going above and beyond to ensure everything arrived safely. My order arrived in pristine condition here in Lisbon, Portugal. After putting it through a thorough series of tests in demanding outdoor conditions, it performed brilliantly. Thoroughly vetted, tested, and fully approved for all future rides.
Muhammad B. –
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Nils M. –
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Gabin V. –
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Amelia D. –
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Alexandre B. –
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Mila M. –
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Alexander M. –
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Leo M. –
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Louis J. –
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Freya B. –
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Finn K. –
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Tobias M. –
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Alessandro R. –
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Inès T. –
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Sebastian S. –
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Muhammad G. –
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Romy L. –
Many thanks to FE POWERSPORTS for going above and beyond to make sure our shipment arrived perfectly. My order arrived in pristine condition here in Limoges, France. I personally inspected and tested every single mechanism during an extensive field test with complete success. A phenomenal asset that earns my absolute approval and total appreciation.
Mia J. –
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR arrived on time. Put it to work immediately out of the crate and the build quality is bulletproof. Genuinely obsessed with the performance. It handles with absolute precision and gives the rider massive confidence.
Lucas W. –
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Hazel H. –
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Zoey S. –
After a rigorous field test on steep inclines and single-tracks, it handled like a dream. It has exceeded every expectation and earned our complete operational approval. Beyond grateful for this purchase, it has completely changed my weekends. It is an absolute pleasure having it here in Germany.
Alexander G. –
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Laura S. –
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Theo H. –
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George R. –
Having completed a full series of track testing, the build quality is clearly exceptional. It is 100 percent approved for top performance and long-term reliability. Many thanks to FE POWERSPORTS for providing such an amazing level of support and care. Having it operational here in Brussels, Belgium is fantastic.
Zoe W. –
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Eleanor R. –
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Mikkel L. –
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Paul M. –
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Jack R. –
Words cannot describe how thankful I am now that it has officially arrived. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR was delivered perfectly to me here in Spain. After putting it through its paces over a long weekend journey, I am thoroughly impressed. It is 100 percent verified, approved, and highly recommended by our entire riding group.
Mia W. –
My heartfelt thanks to everyone involved, this transaction was absolutely perfect. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR was delivered perfectly to me here in Minnesota. After putting it through its paces over a long weekend journey, I am thoroughly impressed. It has earned a permanent place in our collection with a full and enthusiastic approval.
Camille M. –
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Kieran B. –
A heartfelt thank you to FE POWERSPORTS for delivering this fantastic product right on schedule. My order arrived in pristine condition here in Belfast, United Kingdom. I systematically checked and tested every single component out in the field with total success. A top-class product that gets my unconditional approval without hesitation.
Inès J. –
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Jonas K. –
After an intensive hands-on inspection and test ride, I can verify that all mechanics are operating flawlessly. Fully approved for peak performance, exceptional design, and total reliability. Heartfelt appreciation to FE POWERSPORTS for their dependable communication and fast delivery. It is performing magnificently here in Bochum, Germany.
Alexander W. –
Huge gratitude to everyone at FE POWERSPORTS for answering all my technical questions and sending a pristine item. My shipment arrived in immaculate condition here in Berlin, Germany. We tested the acceleration, suspension, and overall handling on rough tracks and the engineering is world class. Completely vetted, tested, and granted my full operational approval without any hesitation.
Louis R. –
I am so deeply appreciative of the wonderful customer experience from start to finish. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR was delivered perfectly to me here in Belgium. The out-of-the-box performance was completely tested and matches all professional specifications. Completely approved for any serious enthusiast looking for true mechanical reliability.
Olivia B. –
I am absolutely thrilled with this purchase! Ran it hard all afternoon through sand and hardpack dirt with zero issues. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is outstanding. The attention to detail on this model is nothing short of spectacular.
Grayson C. –
So incredibly thankful to finally have this sitting in my garage. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR was delivered perfectly to me here in Kansas. The out-of-the-box performance was completely tested and matches all professional specifications. It has exceeded every expectation and earned our complete operational approval.
Pierre M. –
Greetings from Rhode Island. The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR has arrived safely and I am so thankful. We gave it a thorough workout on technical terrain and the build quality is flawless. Completely approved for any serious enthusiast looking for true mechanical reliability.
Sophia D. –
The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR arrived on time. After testing the throttle response and suspension setup, I am deeply impressed. I couldn’t be happier or more satisfied with this. The craftsmanship is stellar and everything feels incredibly solid.
Clément D. –
Greetings from Annecy, France. I am so thankful for the purchase of this 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR. Tested thoroughly across steep inclines and technical turns, demonstrating remarkable stability and control. Many thanks to FE POWERSPORTS for going above and beyond to make sure our shipment arrived perfectly. Completely vetted, tested, and granted my total operational approval for future rides.
Eden G. –
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Benjamin L. –
Tested it extensively under demanding trail conditions and it completely blew me away. It is fully vetted, approved, and deeply treasured by our family. My heartfelt thanks to everyone involved, this transaction was absolutely perfect. It is an absolute pleasure having it here in Massachusetts.
Sophia S. –
Greetings from Switzerland. The 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR has arrived safely and I am so thankful. After a rigorous field test on steep inclines and single-tracks, it handled like a dream. It is fully vetted, approved, and deeply treasured by our family.
Emilia Z. –
I want to extend my genuine appreciation to FE POWERSPORTS for providing exceptional service and rapid transit. My shipment arrived in immaculate condition here in Hanover, Germany. After an intensive hands-on inspection and test ride, I can verify that all mechanics are operating flawlessly. Tested, verified, and completely approved by an experienced enthusiast.
Laura N. –
Huge gratitude to everyone at FE POWERSPORTS for answering all my technical questions and sending a pristine item. My shipment arrived in immaculate condition here in Essen, Germany. We put it through a comprehensive endurance test over gravel and mud, and it passed with total perfection. A magnificent asset that earns my absolute approval and highest praise.
Sophia S. –
The pure excitement this brings is hard to put into words. Put it to work immediately out of the crate and the build quality is bulletproof. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is outstanding. The responsiveness and build integrity are worth every single penny.
Leon W. –
Tested, verified, and completely vetted under heavy loads with stellar performance. Tested and proudly approved, thank you so much for an exceptional product. Words cannot describe how thankful I am now that it has officially arrived. It is an absolute pleasure having it here in New Jersey.
Chloé G. –
Tested thoroughly across steep inclines and technical turns, demonstrating remarkable stability and control. It has earned the enthusiastic approval of our entire riding club. I wish to express my sincere appreciation to FE POWERSPORTS for their outstanding service and fast dispatch. It is performing magnificently here in Annecy, France.
Emma R. –
Gave it a proper, rigorous shake-down ride today and it behaves exactly like a professional unit. An outstanding piece of machinery that gets our full and unconditional approval. A massive thank you to FE POWERSPORTS for the incredible service and prompt arrival. Having it operational here in Krakow, Poland is fantastic.
Frieda L. –
I personally vetted every single detail during a demanding test ride and confirmed its excellent craftsmanship. Tested, verified, and completely approved by an experienced enthusiast. Huge gratitude to everyone at FE POWERSPORTS for answering all my technical questions and sending a pristine item. It is performing magnificently here in Aachen, Germany.
Levi G. –
It brings back that raw, pure childhood happiness. Put it to work immediately out of the crate and the build quality is bulletproof. This 2001 2002 Yamaha YZ426F YZ 426F OEM Keihin Carb Carburetor Intake Throttle FCR is outstanding. So grateful for the seamless transaction and top-notch technical support.
Stefan M. –
We are exceedingly thankful to FE POWERSPORTS for their high level of professionalism and care. My shipment arrived in immaculate condition here in Kassel, Germany. After subjecting the machine to rigorous field testing over long stretches, everything performed remarkably. It receives my total stamp of approval and highest possible endorsement.