YAMAHA 5TGC30TF27 Keihin Fcr Carb 39MM

( Manufacturer Part Number: 5TGC30TF27 ), ( Manufacturer Warranty: 3 Months ), ( Features: Throttled ), ( Material: Aluminum ), ( Universal Fitment: No ), ( Country Of Origin: United States )

Review YAMAHA Keihin 39mm Fcr Carb fits YFZ450

The **Yamaha 5TGC30TF27 YFZ450 Keihin 39mm FCR Carburetor** is a high-performance, precision-engineered component designed exclusively for Yamaha s legendary YFZ450 T n r Adventure Touring motorcycle, a machine renowned for its rugged reliability, off-road prowess, and on-road versatility. This aftermarket carburetor represents a significant upgrade over the stock setup, offering enhanced throttle response, improved fuel efficiency, and a more refined power delivery that caters to both casual riders and serious adventurers alike. Crafted by Keihin, a brand synonymous with cutting-edge carburetor technology, the **39mm FCR (Full Canister Rebuildable) carburetor** features a robust, lightweight aluminum body with a sleek, aerodynamic design that ensures optimal airflow while maintaining durability in the harshest conditions. The FCR system incorporates a fully rebuildable canister, allowing riders to adjust the carburetor s performance with precision using Keihin s proprietary tuning tools, including the **TunePro** software, which simplifies the process of dialing in the perfect mixture for altitude, temperature, and riding style. This level of customization is ideal for those who travel extensively, as it enables seamless adaptation to varying environmental conditions without sacrificing performance. The **5TGC30TF27** designation indicates a specific tuning variant optimized for the YFZ450 s engine, ensuring compatibility with the bike s fuel injection system and electronic fuel pump while delivering a more linear, sporty powerband that enhances both on-road agility and off-road torque. Whether tackling rough trails, cruising through urban landscapes, or embarking on long-distance journeys, this carburetor elevates the YFZ450 s already impressive capabilities, providing a smoother, more engaging ride with reduced hesitation and improved throttle modulation. For riders seeking a balance between stock reliability and high-performance tuning, the **Keihin 39mm FCR carburetor** is a standout choice, blending Japanese engineering excellence with the adaptability and precision of modern carburetor technology.

### Yamaha 5T-GC30TF27 YFZ450 with Keihin 39mm FCR Carburetor: Pros and Cons

#### **Pros**

1. **Performance and Power**

The YFZ450 is a high-performance dual-sport motorcycle designed for both on-road and off-road use. The 449cc liquid-cooled, single-cylinder engine produces around 45 horsepower and 31 lb-ft of torque, which is strong for its class. This makes it capable of handling a variety of terrains, from paved roads to rough trails, with relative ease.

The Keihin FCR carburetor (39mm) is a high-quality, reliable carburetor known for its precision and durability. It is well-suited for this engine, providing consistent fuel delivery and good throttle response. The FCR carburetor is also relatively easy to tune and maintain, which is beneficial for riders who enjoy tinkering with their bikes.

2. **Versatility**

The YFZ450 is a dual-sport bike, meaning it is designed to perform well in both on-road and off-road conditions. This versatility makes it a great choice for riders who want a single bike for multiple types of riding. The bike features a long-travel suspension system, which helps absorb shocks from rough terrain, and a durable frame that can handle the stresses of off-road riding.

3. **Durability and Reliability**

Yamaha is known for producing durable and reliable motorcycles. The YFZ450 is no exception, with a robust engine and chassis that can withstand heavy use. The bike is built to last, and many parts are easy to source and replace, which can be a significant advantage for long-term ownership.

The Keihin carburetor is also known for its durability. It is less prone to clogging or failing compared to some other carburetors, and it can handle a variety of fuel types, including ethanol blends, which are common in many regions.

4. **Maintenance and Tuning**

The YFZ450 is relatively straightforward to maintain. Many of the components are accessible, and there are plenty of resources available for DIY maintenance. The FCR carburetor is also easy to work on, with adjustable jets and a straightforward setup for tuning fuel delivery.

For riders who enjoy modifying their bikes, the YFZ450 offers a good platform for upgrades. The engine can be tuned for more power with relatively simple modifications, such as adjusting the carburetor or installing an aftermarket exhaust system.

5. **Cost-Effectiveness**

Compared to other dual-sport motorcycles in its class, the YFZ450 is reasonably priced. The initial purchase cost is lower than many high-performance dual-sports, and the cost of maintenance and parts is also relatively affordable. This makes it a cost-effective choice for riders who want a capable bike without breaking the bank.

The Keihin FCR carburetor is also cost-effective in the long run. It is durable and requires minimal maintenance, reducing the likelihood of costly repairs or replacements.

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#### **Cons**

1. **Single-Cylinder Limitations**

While the YFZ450 s single-cylinder engine is reliable and durable, it does have some limitations compared to multi-cylinder engines. Single-cylinder engines can be less smooth at low RPMs and may feel less responsive in certain situations. The torque delivery is strong, but the power curve can be less linear compared to bikes with multiple cylinders.

This can make the bike feel less engaging for some riders, particularly those who prefer the smoother power delivery of a multi-cylinder engine.

2. **Weight**

The YFZ450 is a relatively heavy bike, weighing around 450-470 lbs (depending on configuration). This weight can make it more challenging to maneuver, especially in off-road conditions or when carrying a passenger. The heavy weight can also contribute to fatigue during long rides, particularly on rough terrain.

3. **Fuel Efficiency**

While the YFZ450 is not particularly fuel-inefficient, it does consume more fuel than some smaller or more efficient bikes. The single-cylinder engine and the bike s overall size contribute to a moderate fuel economy, typically around 40-50 miles per gallon on the road. This can be a drawback for riders who prioritize fuel efficiency or plan to travel long distances without frequent stops.

4. **Suspension and Comfort**

The YFZ450 s suspension is designed for off-road use, which means it can be quite firm and uncomfortable for long periods of on-road riding. The long-travel suspension is excellent for absorbing bumps on rough terrain but can lead to a harsh ride on smooth roads. Riders who spend a lot of time on paved surfaces may find the suspension less comfortable compared to bikes with softer, more on-road-oriented suspension setups.

5. **Resale Value**

While the YFZ450 holds its value reasonably well, it is not known for having an exceptionally high resale value compared to some other Yamaha models. This is partly due to its niche appeal as a dual-sport bike, which may not have as broad an audience as more mainstream on-road motorcycles.

6. **Carburetor Limitations**

While the Keihin FCR carburetor is reliable, carburetors in general can be less precise than modern fuel injection systems. They require regular maintenance, such as cleaning and adjusting jets, to ensure optimal performance. In cold weather or at high altitudes, carburetors can sometimes struggle with fuel delivery, leading to issues like hesitation or poor idle.

Additionally, carburetors are more susceptible to clogging from dirt or debris, which can be a concern for off-road riding. While the FCR carburetor is robust, it still requires more attention than a fuel-injected system.

7. **Noise and Vibration**

The single-cylinder engine of the YFZ450 can produce more vibration and noise compared to multi-cylinder engines. This can be less comfortable for long rides and may not appeal to riders who prefer a quieter, smoother ride.

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### **Conclusion**

The Yamaha YFZ450 with a Keihin 39mm FCR carburetor is a capable and versatile dual-sport motorcycle that offers a good balance of performance, durability, and cost-effectiveness. It is an excellent choice for riders who want a single bike for both on-road and off-road use, particularly those who prioritize reliability and ease of maintenance.

The Keihin FCR carburetor enhances the bike s performance and reliability, making it a solid choice for riders who appreciate a well-tuned, high-quality carburetor system. However, the single-cylinder engine and the bike s weight can be drawbacks for some riders, particularly those who prefer smoother power delivery or lighter, more maneuverable bikes.

For riders who are looking for a durable, versatile, and relatively low-maintenance dual-sport motorcycle and who do not mind the limitations of a single-cylinder engine, the YFZ450 is a strong recommendation. It is well-suited for adventure riding, commuting, and light off-road use, and it offers a good balance of performance and practicality.

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### **Recommendation**

- Want a versatile bike for both on-road and off-road use.

- Prioritize durability, reliability, and ease of maintenance.

- Are comfortable with the limitations of a single-cylinder engine.

- Enjoy tinkering with your bike and tuning the carburetor for optimal performance.

- Are looking for a cost-effective motorcycle that does not require frequent or expensive repairs.

- Prefer the smoother power delivery and lower vibration of a multi-cylinder engine.

- Prioritize fuel efficiency or a lighter, more maneuverable bike.

- Plan to spend most of your riding time on paved roads and want a more comfortable suspension setup.

- Are not interested in maintaining or tuning a carburetor and would prefer a fuel-injected system.

Then you may want to consider alternative options, such as a dual-sport bike with a more modern engine setup or a different motorcycle class that better suits your preferences.

Ultimately, the YFZ450 is a well-rounded dual-sport bike that is well-suited for riders who appreciate its strengths and are willing to work with its limitations. If it fits your riding style and needs, it is a worthwhile investment.

Details:

2012-13 throttle cable used. May need gone over. No fuel mix screw.

part #: 5tgc30tf27 prices

• $398.00-$400.00

specifications fuetanintak:

• for models: Yfz450
• for makes: Yamaha
• mpn: 5tgc30tf27
• manufacturer warranty: 3 Months
• features: Throttled
• material: Aluminum
• universal fitment: No
• country of origin: United States

offer fuetanintak:

• options: Ship-to-home
• started: April 10, 2026
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

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• policy: No Returns

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• city: Winchester, Virginia
• rating: 100.0%
• # reviews: 1146

general fuetanintak:

• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Fuel Tanks
• condition: Used

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shipping fuetanintak:

• service: USPS Ground Advantage
• transit: 5-11 Days
• type: Calculated
• class: Standard
• carrier: USPS
• cost: $0.00

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