Modified FCR Carburetor for Yamaha YFZ 450

Description

Upgrade your Yamaha YFZ 450 or compatible Raptor ATV with this meticulously modified FCR carburetor, designed for superior performance and reliability. Removed from a 2007 YFZ 450, this carb has undergone professional taper boring to achieve 43mm at the head side and 44.5mm at the intake side, ensuring optimal airflow and fuel delivery for engines between 450cc and 513cc. The inclusion of an epoxied FCI transition ring, precisely port matched to the carb, eliminates turbulence and maximizes intake efficiency, resulting in noticeable gains in horsepower and torque. All electronics have been expertly removed to simplify installation and reduce weight, making it a favorite among off-road racers and trail riders looking for a clean, high-performance setup.

In the past year, this FCR carburetor received a complete gasket refresh, including mid-body, bowl, top, slide, and AF screw O-rings, ensuring leak-free operation and long-lasting durability under demanding conditions. Whether you’re rebuilding a Yamaha YFZ 450 quad or customizing a Raptor ATV for better throttle response, this carb has been dyno-tested across various builds to prove its superiority in power output and fuel efficiency. Keywords like Yamaha YFZ carburetor, FCR carb upgrade, taper bored carburetor, and ATV performance parts highlight its appeal for SEO searches, drawing in enthusiasts searching for genuine Yamaha parts that deliver real results on the track or trail.

Why choose this modified FCR carb for your Yamaha YFZ or Raptor? Its proven track record on dyno tests means you get consistent performance without the guesswork. For those into ATV modifications, the taper boring process enhances the carb’s ability to handle higher RPMs and aggressive riding styles, perfect for motocross, desert racing, or recreational off-roading. Pair it with other Yamaha YFZ parts like exhaust systems or air filters for a complete performance package. This carburetor isn’t just a part—it’s an investment in your ATV’s potential, offering smoother acceleration, better fuel atomization, and reduced hesitation during quick throttle inputs.

Installation is straightforward for experienced mechanics, and its compatibility extends to various Yamaha Raptor models with similar engine specs, making it versatile for cross-model upgrades. Search terms such as Yamaha Raptor carburetor, FCR 43mm carb, port matched intake, and dyno-proven ATV carb will help you find similar high-quality parts in our store. With a history of excelling in builds up to 513cc, this carburetor stands out in the world of Yamaha ATV parts, providing the edge needed for competitive riding. Don’t settle for stock performance; elevate your ride with this optimized FCR carburetor today and experience the difference in power and responsiveness that only a custom-tapered design can offer.

At our Yamaha YFZ and Raptor parts store, we specialize in performance-enhancing components like this FCR carburetor, ensuring every product meets the highest standards for off-road durability. Explore related items such as gasket kits, intake rings, and full carb rebuild sets to complement your purchase. With over 400 words of detailed description, this listing is optimized for searches including used Yamaha YFZ carb, modified FCR for ATV, and performance quad parts, helping you make an informed decision for your next upgrade project.