YAMAHA 5TGC-30TL20 Keihin Fcrthrottle Body Flat Carburetor

( Manufacturer Part Number: 5TGC-30TL20 ), ( Features: Throttled ), ( Engine Type: 4-stroke ), ( Type: Carburetor ), ( Country Of Origin: Japan )

Review YAMAHA Keihin Fcrthrottle Body Flat Carburetor fits YFZ450 CR 2000–2006

The **Yamaha 5TGC-30TL20 (2000 2006 YFZ450 Keihin FCR Throttle Body Flat-Cr Carburetor)** is a meticulously engineered, high-performance carburetor designed exclusively for Yamaha s legendary YFZ450 Raptor, a motorcycle renowned for its rugged off-road capabilities and trail-ready precision. This carburetor represents Yamaha s commitment to blending reliability with cutting-edge performance tuning, making it a critical component for both stock and modified applications. The **5TGC-30TL20** features a **flat-crimped (flat-cr) design**, which enhances airflow efficiency while maintaining a tight seal, reducing vacuum leaks that can compromise throttle response and fuel delivery. Crafted from durable aluminum with precision-machined internals, it incorporates Yamaha s **Keihin FCR (Fuel Control and Response) system**, a sophisticated carburetor technology that dynamically adjusts fuel mixture based on engine load, throttle position, and RPM. This ensures optimal power delivery across a wide range of operating conditions, from low-end torque for climbing steep trails to high-revving performance for aggressive acceleration. The **30mm venturi** provides a balanced airflow restriction, striking a perfect equilibrium between throttle response and fuel economy, while the **tilted intake port** minimizes turbulence, allowing for smoother air-fuel induction and reduced backpressure. Whether installed on a stock YFZ450 or paired with performance upgrades like a high-flow air filter or exhaust system, this carburetor delivers consistent, reliable performance with minimal maintenance requirements. Its **OEM compatibility** ensures a seamless fit with the original throttle body and intake system, while its robust construction including a reinforced needle jet and precision-bored passages guarantees longevity even under demanding off-road conditions. For riders seeking to preserve the Raptor s stock character while optimizing power output, the **5TGC-30TL20** is an ideal choice, offering a harmonious blend of factory-tuned refinement and adaptability for those who push their bikes to the limit.

### **Pros and Cons of Buying a Yamaha 5TGC-30TL20 (2000-2006 YFZ450) Keihin FCR Throttle Body Flat-Carburetor**

1. **Reliability and Durability** The YFZ450 is known for its robust engine and strong frame, making it a dependable off-road motorcycle. The 450cc parallel-twin engine is simple yet effective, with fewer electronic complexities compared to modern bikes.

2. **Off-Road Capability** The YFZ450 was designed as a trail bike, featuring a long-travel suspension, knobby tires, and a lightweight frame. It handles rough terrain well, making it ideal for dirt roads, trails, and light rock crawling.

3. **Simplicity and Ease of Maintenance** The flat-carbureted FCR throttle body is straightforward to tune and maintain. Unlike modern fuel-injected bikes, you can easily adjust carburetion, replace seals, and perform basic repairs without advanced diagnostic tools.

4. **Affordability** Compared to newer sport or adventure bikes, the YFZ450 is relatively inexpensive to purchase, insure, and maintain. Parts are widely available, and labor costs are lower than on modern electronics-heavy motorcycles.

5. **Classic Appeal** If you enjoy the vintage look and feel of a pre-2000s dirt bike, the YFZ450 offers a nostalgic riding experience. Its retro styling and mechanical simplicity can be appealing to enthusiasts who prefer analog controls.

6. **Good for Beginners and Intermediate Riders** The bike s manageable power (around 35-40 hp) and forgiving nature make it suitable for riders who are still developing skills. It s not as fast or aggressive as a modern dual-sport bike but is still capable on trails.

7. **Aftermarket Support** There is a strong aftermarket presence for the YFZ450, including performance parts, suspension upgrades, and custom paint options. This makes it easier to modify and personalize the bike.

8. **Fuel Efficiency** The carbureted engine is more fuel-efficient than many modern bikes, especially when ridden lightly. It typically consumes around 30-40 mpg on trails, which is better than many fuel-injected counterparts.

9. **Resale Value** While not as high as some modern bikes, the YFZ450 retains decent resale value due to its reliability and popularity among off-road enthusiasts.

10. **Lightweight** At around 220-230 lbs (depending on modifications), it s one of the lighter dual-sport bikes from its era, making it easier to maneuver and carry up hills.

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1. **Outdated Technology** The carbureted FCR throttle body lacks modern fuel injection, which can lead to inconsistent performance in varying conditions (e.g., high altitude, cold starts, or wet trails). Fuel injection provides better throttle response and efficiency.

2. **Poor Fuel Economy in Stop-and-Go Traffic** While it s efficient on trails, the carburetor struggles with cold starts and idling, leading to higher fuel consumption in urban or stop-and-go riding scenarios.

3. **Limited Power and Speed** The YFZ450 s power delivery is linear but not as strong as modern dual-sport bikes. It lacks the high-end torque and acceleration of bikes like the Honda CRF450 or Suzuki DR400SM. This can be frustrating on paved roads or when carrying heavy loads.

4. **Suspension Limitations** The stock suspension is adequate for light trails but can feel stiff or inadequate on rough terrain compared to modern bikes with adjustable forks and shocks. Upgrading suspension is often necessary for serious off-road use.

5. **Poor Ergonomics for Long Rides** The riding position is more aggressive than modern dual-sports, which can lead to discomfort on long rides. The seat is also relatively narrow and firm, which may not be ideal for extended touring.

6. **Electrical Issues** The bike s electrical system is basic, with a weak battery and minimal lighting. Modern bikes have better headlights, turn signals, and charging systems, which can be a safety concern at night.

7. **Emissions and Legal Restrictions** In some regions, carbureted bikes may face restrictions or require modifications to meet emissions standards. Fuel injection is often required for newer models or urban riding.

8. **Limited Modern Comfort Features** Unlike contemporary bikes, the YFZ450 lacks features such as ABS, traction control, or advanced suspension damping. These can be safety-critical in certain riding conditions.

9. **Harder to Sell in Some Markets** While still popular among off-road enthusiasts, the YFZ450 may not appeal to buyers looking for modern dual-sport bikes with fuel injection and advanced features. This can limit resale options.

10. **Maintenance Challenges** While simple, the carburetor requires regular tuning to maintain optimal performance. Clogged jets, vacuum leaks, or float adjustments can cause drivability issues, whereas fuel-injected bikes are more self-regulating.

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The Yamaha YFZ450 (2000-2006) with its Keihin FCR flat-carburetor is an excellent choice for riders who prioritize simplicity, reliability, and off-road performance over modern conveniences. It excels as a trail bike, a beginner/intermediate rider s machine, or a project bike for enthusiasts who enjoy mechanical tuning. However, it falls short in areas like fuel efficiency in urban settings, power delivery, and modern comfort/features.

If you plan to use the bike primarily for light trails, enjoy working on it, or prefer a no-frills riding experience, the YFZ450 is a solid and affordable option. On the other hand, if you need a bike for varied terrain (paved and dirt), long rides, or modern safety features, a newer dual-sport or adventure bike with fuel injection may be a better fit.

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- You ride mostly on trails and prefer a simple, reliable bike.

- You enjoy mechanical tuning and don t mind occasional carburetor adjustments.

- You re on a budget and want a low-cost, high-reward off-road machine.

- You appreciate the vintage aesthetic and analog riding experience.

- You frequently ride on paved roads or in stop-and-go traffic.

- You prioritize modern features like fuel injection, ABS, or advanced suspension.

- You plan to carry heavy loads or ride long distances daily.

- You re looking for a bike that s easy to sell in the future.

- For a modern off-road bike with fuel injection, consider the **Honda CRF450**, **Suzuki DR400SM**, or **KTM 390 Adventure**.

- If you want a classic dual-sport with better power, the **Yamaha XT600** (2000-2005) or **Honda XL600V** are worth exploring.

- For a budget-friendly trail bike, the **Yamaha WR250R** or **Kawasaki KLX230** offer a good balance of simplicity and performance.

Ultimately, the YFZ450 is a fantastic bike for the right rider one who values tradition, simplicity, and the joy of mechanical maintenance over modern convenience.

Details:

The carburetor featured a throttle design for precise control of the engines performance. The choke handle does move in and out as designed. This high-quality carburetor is essential for maintaining and improving the fuel delivery system of your Yamaha ATV optimal performance efficiency. Please view the pictures this is a used OEM part that has not been refurbished.

It is an authentic OEM part with the manufacturer number 5TGC-30TL20, made in Japan. The choke has a slight bend and zip-tie securing the rubber boot. The product is a Keihin FCR throttle body flat carburetor designed for Yamaha YFZ450 ATV model's from 2000 -2006. The plug has been cut off of the wires so it will need a new or splice.

part #: 5tgc30tl20 prices

• $256.13-$313.99

specifications carbthrotatv:

• for models: Yfz450, Cr
• for makes: Yamaha
• for years: 2000-2006
• mpn: 5tgc-30tl20
• features: Throttled
• engine type: 4-stroke
• type: Carburetor
• country of origin: Japan

shipping carbthrotatv:

• carrier: USPS
• service: USPS Ground Advantage
• transit: 4-10 Days
• cost: $18.15
• class: Standard
• type: Calculated

general carbthrotatv:

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

payments carbthrotatv:

• wallet: Paypal
• other
• credit card: Diners-club

offer carbthrotatv:

• sold: 0
• best offers: True
• started: March 9, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

returns carbthrotatv:

• policy: No Returns

seller carbthrotatv:

• rating: 100.0%
• city: Myakka City, Florida
• # reviews: 160

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