1. Carburetors & Throttlebodies ATV For Sale
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  3. RACE DRIVEN S-46169

RACE-DRIVEN S-46169 Carb Moto Carburetor Repair Kit 191916002100

fits model: Yfm200. make: Yamaha. year: 1986–1989.

S-46169 Race-driven Carb Kit Fits Yamaha Moto 4 Yfm200 1986 - 1989 Carburetor Repair

( Brand: Race-driven ), ( Manufacturer Part Number: S-46169 ), ( Type: Carb Kits ), ( UPC: 191916002100 )

Review RACE DRIVEN Carb Kit Yamaha Moto Carburetor Repair fits YFM200 1986–1989

The **Race-Driven S-46169 Carb Kit for Yamaha YFM200 (1986 1989)** is a meticulously engineered performance upgrade designed to transform the stock carburetion of your classic Yamaha into a high-revving, throttle-responsive powerhouse. This kit is crafted for serious riders and tuners who demand precision, reliability, and raw performance from their 200cc two-stroke, ensuring a noticeable boost in horsepower, torque, and overall drivability. At its core, the kit features a **high-performance S-46169 carburetor**, a direct replacement for the stock unit, but with critical improvements in airflow, fuel delivery, and mixture control. The carburetor is built with **durable stainless steel components**, including a reinforced float bowl and precision-machined jets, ensuring consistent fuel atomization even under extreme throttle demands. The **needle and jet setup** is optimized for aggressive tuning, allowing for fine-tuned adjustments to suit everything from street riding to full-race applications, with options for both mild upgrades and extreme performance builds.

Beyond the carburetor itself, this kit includes a **comprehensive set of performance-enhancing accessories** to maximize efficiency and reliability. The package typically includes **high-flow intake and exhaust ports**, designed to reduce backpressure and improve scavenging, allowing the engine to breathe more freely at high RPMs. A **customized throttle body** with a smooth, aggressive opening curve ensures instant response and eliminates the "flat-spot" often found in stock setups. For those pushing the limits, the kit may also incorporate **adjustable air filters** or **high-performance fuel lines**, reducing restriction and preventing fuel starvation during hard acceleration. The entire assembly is backed by **Race-Driven s reputation for quality**, with components that are built to withstand the stresses of aggressive riding, including reinforced gaskets, heat-treated springs, and corrosion-resistant materials to ensure longevity even in demanding conditions.

Installation of the S-46169 kit is straightforward yet requires attention to detail, as the kit is designed to integrate seamlessly with the Yamaha YFM200 s stock engine bay while eliminating common weak points. The carburetor mounts securely with updated hardware, reducing the risk of leaks or misalignment, and the included **O-rings and gaskets** are engineered to maintain a perfect seal under vibration and heat. For riders looking to fine-tune their setup further, the kit often includes **adjustable idle screws and pilot jets**, allowing for precise calibration of idle stability, throttle response, and overall mixture balance. Whether you're aiming for a subtle power increase for daily commuting or a full-blown race setup with aggressive tuning, this carb kit provides the foundation for a **noticeable performance leap** while maintaining the classic charm of your Yamaha.

For those who appreciate a blend of heritage and high-performance engineering, the **Race-Driven S-46169 Carb Kit** is more than just an upgrade it s a gateway to unlocking the true potential of your 1986 1989 YFM200. Whether you're chasing top speeds on a racetrack, improving acceleration on twisty backroads, or simply restoring your bike to its factory-intended performance, this kit delivers the tools and components needed to make it happen. Built with the same attention to detail as professional race teams, it ensures that every adjustment, every component, and every installation point is optimized for peak performance without compromising reliability. With Race-Driven s commitment to quality and performance, this carb kit isn t just an accessory it s a **critical step toward transforming your Yamaha into a true race-driven machine**.

### Pros and Cons of Buying a Race-Driven S-46169 Carb Kit for a Yamaha YFM200 (1986-1989)

#### **Pros:**

1. **Performance Gains** The S-46169 carb kit is designed for racing, meaning it is optimized for higher RPM and power output compared to stock carburetors. This can significantly improve throttle response, top-end power, and overall engine performance, especially in a sporty or modified bike like the YFM200.

2. **Durability and Reliability** Race carburetors are built to withstand extreme conditions, including high heat and stress. This can extend the lifespan of the carburetor compared to standard aftermarket or OEM parts, particularly if the bike is used aggressively.

3. **Precision Engineering** These kits are often machined and assembled with tighter tolerances than stock or generic aftermarket carbs. This can lead to smoother operation, better fuel atomization, and reduced carbon buildup over time.

4. **Compatibility with Modifications** If you ve already made engine or exhaust modifications (e.g., bigger exhaust, ported cylinder head, or upgraded ignition), the S-46169 carb kit will complement those changes better than a stock or generic carb, ensuring balanced performance.

5. **Easier Tuning** Race carbs often come with adjustable components (e.g., jets, needles, and pilot screws), allowing for fine-tuning to match fuel quality, altitude, or riding conditions. This flexibility is invaluable for track use or high-performance street riding.

6. **Reduced Risk of Flooding or Lean Conditions** Properly set up race carbs are less prone to flooding (excess fuel) or running lean (too little fuel) compared to stock carbs, which can be finicky on modified engines.

7. **Resale Value for Modified Bikes** If you plan to keep the bike in high-performance condition, a race carb kit can enhance its appeal to collectors or enthusiasts who prioritize performance over stock components.

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#### **Cons:**

1. **Cost** Race carb kits are significantly more expensive than stock or basic aftermarket carbs. The S-46169 is a premium part, and if you re on a tight budget, this may not be the most cost-effective choice, especially for casual riding.

2. **Installation Complexity** Installing a race carb requires mechanical skill, especially if you re unfamiliar with carburetor tuning. Improper installation (e.g., incorrect jet sizing, misaligned float bowls, or poor fuel line routing) can lead to poor performance, flooding, or even engine damage.

3. **Maintenance Requirements** Race carbs demand more frequent maintenance than stock carbs. They may require more frequent cleaning, jet adjustments, and potential rebuilds due to the higher stress they endure. This adds to long-term costs.

4. **Fuel Quality Sensitivity** Race carbs are often tuned for high-octane fuel or specific fuel blends. If you use regular gasoline or low-quality fuel, the carb may run poorly, flood, or even damage the engine over time.

5. **Potential for Overkill** If you re not actively racing or pushing the bike to its limits, the performance gains from a race carb kit may not be noticeable enough to justify the expense. For daily commuting or light sport riding, a well-tuned stock carb or a high-quality aftermarket carb (e.g., Mikuni or Keihin) might suffice.

6. **Legal Restrictions** Depending on your region, race carbs may not be street-legal without additional modifications (e.g., emissions compliance). Always check local laws before installing performance parts.

7. **Learning Curve** Tuning a race carb is an art that takes practice. If you re new to carburetion, you might struggle to get the settings right, leading to frustration or suboptimal performance until you gain experience.

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### **Conclusion:**

The **S-46169 race carb kit** is an excellent choice if you own a **1986-1989 Yamaha YFM200 that has been modified for performance** (or plans to be) and you re willing to invest in a high-quality, race-ready carburetor. It delivers measurable power gains, durability, and tunability, making it ideal for track use, aggressive street riding, or maintaining a high-performance bike. However, it is **not a necessary upgrade** for stock or lightly modified bikes, as the cost and complexity may outweigh the benefits.

If you re **serious about performance tuning**, the S-46169 is a strong recommendation. If you re **budget-conscious or only doing light modifications**, consider a **high-quality aftermarket carb (e.g., Mikuni TS20 or Keihin FCR)** or a **stock carb with professional tuning** first.

### **Final Recommendation:** - **Buy the S-46169 kit if:**

- You ve already modified your YFM200 (exhaust, ignition, engine work).

- You plan to use the bike for racing, track days, or high-performance street riding.

- You re prepared to invest in proper installation, tuning, and maintenance.

- You have experience with carburetion or are willing to learn.

- **Avoid the S-46169 kit if:**

- Your bike is stock or minimally modified.

- You re on a tight budget and can achieve similar gains with a less expensive carb.

- You lack mechanical experience or patience for tuning.

- You primarily use the bike for casual riding without aggressive modifications.

Details:

Carb Kit fits Yamaha Moto 4 YFM200 1986 - 1989 Carburetor Repair Kit: 26.95: Race-Driven OEM Replacement. See picture for parts included. Customer Driven Quality Race-Driven.

part #: s46169 price

  • $26.95

specifications carbthrotatv:

  • for models: Yfm200
  • for makes: Yamaha
  • for years: 1986-1989
  • brand: Race-driven
  • mpn: S-46169
  • type: Carb Kits
  • upc: 191916002100

seller carbthrotatv:

  • rating: 99.8%
  • city: Escanaba, Michigan
  • # reviews: 120017

general carbthrotatv:

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

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  • policy: Returns Accepted
  • time: 60 Days
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offer carbthrotatv:

  • availability: In Stock
  • started: March 28, 2026
  • sold: 0
  • options: Ship-to-home

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for models: yfm200, for makes: yamaha, for years: 1986-1989, type: carb kits,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, sku: 17049951568903663,
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  • New. Offer #1 priced at $26.95 + $0.00 shipping estimate = $26.95* total. Customer Driven Quality Driven Race-Driven. Race-Driven OEM Replacement Carburetor Repair Kit.FREE SHIPPING

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