YAMAHA FCR39 Carbs

( Machine Type: Atv ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: FCR39 ), ( Material: Aluminum ), ( Country/region Of Manufacture: China ), ( Vintage Part: No )

Review YAMAHA Carbs fits RAPTOR 660

The Yamaha FCR39 Raptor 660 carburetors are high-performance, fuel-injector-replacing carburetors engineered for off-road motorcycles, specifically the Yamaha WR660F and Raptor 660 models. These carburetors are designed to deliver precise fuel delivery and optimized power band, providing an enjoyable riding experience for off-road enthusiasts.

The FCR39 Raptor 660 carburetors feature a 39mm Mikuni TM39 flat-slide carburetor body, which ensures smooth and consistent fuel delivery. The carburetors are equipped with a high-performance air filter element that provides increased protection against dust and debris, ensuring clean air enters the engine for optimal combustion.

The carburetors also come with adjustable main jets, pilot jets, and idle mixtures, allowing riders to fine-tune the fuel delivery to their specific riding style and conditions. This adjustability enables the rider to optimize power delivery, improve throttle response, and achieve optimal engine performance.

The FCR39 Raptor 660 carburetors are easy to install, as they come with all necessary hardware and instructions for a bolt-on installation. The carburetors are also designed to work seamlessly with the stock fuel system, making for a hassle-free upgrade process.

These carburetors are constructed from high-quality materials, ensuring durability and long-lasting performance. The carburetor bodies are made from lightweight and strong aluminum, while the carburetor jets and needles are made from precision-machined stainless steel.

Overall, the Yamaha FCR39 Raptor 660 carburetors are an excellent upgrade for off-road enthusiasts looking to improve the performance and responsiveness of their Yamaha WR660F or Raptor 660 motorcycle. With their precise fuel delivery, adjustability, and ease of installation, these carburetors are a must-have for anyone seeking to take their off-road riding experience to the next level.

Buying a Yamaha FCR39 Raptor 660 with carburetors instead of a fuel injection system comes with several advantages and disadvantages.

1. Cost-Effective: Carburetors are generally less expensive than fuel injection systems. Replacing or repairing damaged carburetor components is often more affordable than fixing fuel injection issues.

2. Customizability: Carburetors offer more tuning options for riders looking to enhance the performance of their motorcycle. The ability to adjust the air-fuel mixture allows riders to optimize the bike for various riding conditions and personal preferences.

3. Simplified Design: Carburetors have fewer electrical components compared to fuel injection systems. This can make troubleshooting and maintenance easier for some riders.

1. Less Fuel Efficient: Carburetors can consume more fuel than fuel injection systems due to their design. This can result in increased fuel costs over time.

2. Less Consistent Performance: Carburetors can be more susceptible to inconsistent performance due to factors such as temperature, altitude, and riding style. This can make the bike less predictable and more challenging to ride, especially in varying conditions.

3. More Prone to Issues: Carburetors are more prone to issues such as flooding, lean or rich mixtures, and inconsistent idling. These problems can be more difficult to diagnose and repair compared to fuel injection issues.

The decision to buy a Yamaha FCR39 Raptor 660 with carburetors instead of a fuel injection system ultimately depends on your personal preferences, riding style, and budget. If you are a budget-conscious rider who enjoys tinkering with their bike and values the ability to customize its performance, then carburetors may be the right choice for you. However, if you prioritize fuel efficiency, consistent performance, and ease of use, then you may want to consider opting for a fuel injection system instead.

If you are a beginner rider or prefer a more straightforward, hassle-free riding experience, I would recommend choosing a Yamaha FCR39 Raptor 660 with a fuel injection system. This will provide you with the reliability, consistency, and ease of use that is often preferred by less experienced riders. However, if you are an experienced rider who values the ability to customize their bike and is comfortable with the added maintenance requirements, then a carbureted version of the Yamaha FCR39 Raptor 660 may be the better choice for you. Ultimately, the decision is yours to make based on your individual preferences and riding style.

part # fcr39 prices

• $155.97-$503.29

specifications atvsienna:

• for models: 660, Raptor
• for makes: Yamaha
• machine type: Atv
• manufacturer warranty: 1 Year
• manufacturer part number: FCR39
• material: Aluminum
• country/region of manufacture: China
• vintage part: No

general atvsienna:

• condition: Used
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

payments atvsienna:

• other
• wallet: Paypal
• credit card: Discover

returns atvsienna:

• policy: No Returns

offer atvsienna:

• quantity: 1
• availability: In Stock
• started: September 27, 2025
• options: Ship-to-home
• sold: 0

seller atvsienna:

• rating: 0.0%
• # reviews: 0

shipping atvsienna:

• carrier: USPS
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• transit: 4-10 Days
• cost: $54.04

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