MECHANICS-S MCC120S Carburetor Carb Atv

( Brand: Mechanics-s ), ( Manufacturer Part Number: MCC120S ), ( Manufacturer Warranty: 1 Year ), ( Type: Carburetor ), ( Modified Item: No )

Review MECHANICS S Carburetor Carb Fit Yamaha New Usa Atv fits BLASTER YFS200 200 1988–2006

The **Mechanics Specialties MCC120S** is a meticulously engineered, high-performance carburetor designed specifically for Yamaha s iconic **Blaster 200 (YFS200) ATV**, covering models produced from **1988 through 2006**. This precision-crafted carburetor is a direct replacement for the stock unit, ensuring seamless integration with the engine s intake system while delivering enhanced throttle response, improved fuel efficiency, and a more refined power delivery. Built with a **durable aluminum body**, the MCC120S features a **120-series design**, optimized for the YFS200 s 198cc single-cylinder engine, which requires a balance of airflow and fuel metering to maximize performance without sacrificing reliability. The carburetor incorporates a **floating bowl design** for easy maintenance, allowing for quick adjustments to the **pilot jet, main jet, and idle mixture** to fine-tune the engine s performance across various conditions whether cruising on trails, accelerating under load, or maintaining steady speed on rough terrain. Its **chrome-plated throttle body** resists corrosion and wear, ensuring smooth operation over thousands of miles, while the **precision-machined throttle valve** provides crisp, responsive control, reducing lag and improving overall drivability. Whether you're restoring a classic Blaster 200 to its original glory or upgrading an existing unit for better performance, the MCC120S offers a **drop-in solution** that restores factory specifications with modern durability. Backed by Mechanics Specialties reputation for quality, this carburetor is an ideal choice for ATV enthusiasts seeking a reliable, high-performance alternative that keeps the spirit of the YFS200 alive while meeting the demands of modern riding.

### Pros and Cons of Buying a Mechanics-S MCC120S Carburetor (1988 2006) for a Yamaha Blaster 200/YFS200 ATV

1. **Compatibility and Fit:** The Mechanics-S MCC120S is designed specifically for Yamaha 200cc ATVs, including the Blaster 200/YFS200 models from the late 1990s to mid-2000s. It is a direct replacement for the stock carburetor, ensuring an exact fit without modifications.

2. **Improved Performance:** Mechanics-S carburetors are known for their precision engineering and better fuel-air mixture control compared to stock units. This can result in smoother acceleration, better throttle response, and improved power output, especially if the original carb was clogged or worn.

3. **Reliability and Durability:** Mechanics-S is a reputable brand in the ATV and small-engine carburetor market. Their products are built to last longer than many aftermarket or generic replacements, reducing the risk of frequent failures or leaks.

4. **Easier Maintenance:** The MCC120S features a more accessible design than some stock carburetors, making it simpler to clean, adjust, and maintain. This can save time and effort during routine upkeep.

5. **Cost-Effective Upgrade:** While not the cheapest option, it is often more affordable than high-end performance carburetors (e.g., Keihin or Walbro). It provides noticeable improvements without requiring a full engine rebuild or expensive modifications.

6. **Fuel Efficiency:** A properly tuned Mechanics-S carburetor can optimize fuel consumption, leading to better mileage and less waste compared to a poorly performing stock carb.

7. **Wider Availability:** Mechanics-S carburetors are widely available through ATV parts dealers, online marketplaces, and specialty small-engine shops, making it easier to purchase and replace.

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1. **Limited Performance Gains:** While the MCC120S improves upon the stock carb, it is not a high-performance or racing carburetor. Expect modest gains rather than dramatic power increases. For serious performance tuning, a Keihin or other aftermarket carb may be needed.

2. **Requires Tuning:** Like any carburetor, the MCC120S will need to be properly adjusted (jetting, idle mixture, etc.) to match your specific engine and riding conditions. Improper tuning can lead to poor performance, rough idling, or even engine damage.

3. **Potential for Clogging:** If not maintained regularly (cleaned and serviced every 50 100 hours), the carburetor can clog with dirt, varnish, or fuel deposits, negating its benefits. This is true of all carburetors but requires discipline to avoid.

4. **No Electronic Fuel Injection (EFI) Benefits:** If you eventually upgrade to an EFI system (common in newer ATVs), a carburetor like the MCC120S will become obsolete and may need to be removed entirely.

5. **Installation Skill Required:** While straightforward, installing a carburetor requires careful handling of vacuum lines, throttle cables, and electrical connections (e.g., choke switch). A novice may struggle with proper sealing or alignment, leading to leaks or performance issues.

6. **Cost of Replacement Parts:** If the carburetor fails or needs repairs, Mechanics-S may not offer as many replacement parts as larger brands. Some components (e.g., diaphragms, jets) might require sourcing from third-party suppliers.

7. **Environmental and Emissions Concerns:** Carbureted engines are less efficient and produce more emissions than modern fuel-injected engines. If you ride in areas with strict emissions regulations, a carburetor may not be ideal long-term.

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The Mechanics-S MCC120S carburetor is a **solid, cost-effective upgrade** for a Yamaha Blaster 200/YFS200 ATV, especially if the stock carburetor is old, clogged, or unreliable. It offers noticeable improvements in performance, reliability, and ease of maintenance without requiring major modifications. However, it is not a "set-and-forget" solution it demands regular cleaning and tuning to perform optimally.

If your primary goal is **basic reliability and slight performance enhancements**, the MCC120S is an excellent choice. If you plan to **push the engine harder** (e.g., for racing or heavy-duty use), consider a higher-end carburetor or even a fuel-injection conversion. For **long-term riding in modern environments**, a carburetor may eventually become a liability due to emissions regulations and the decline of carbureted ATVs.

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- Your stock carburetor is failing or performing poorly.

- You want a **direct replacement** with better reliability and minor performance gains.

- You are comfortable with **basic tuning and maintenance** (cleaning, adjusting jets).

- You prefer a **proven, mid-range aftermarket solution** over a cheap generic carb.

- You want **maximum power** opt for a Keihin or Walbro carburetor instead.

- You plan to **modify the engine significantly** (e.g., bigger bore, turbocharging) a carburetor may not scale well.

- You ride in **areas with strict emissions laws** and are considering future upgrades to EFI.

- You lack **mechanical experience** hire a professional for installation and tuning.

**Final Verdict:** The Mechanics-S MCC120S is a **practical and worthwhile upgrade** for most Yamaha Blaster 200/YFS200 owners, balancing cost, performance, and ease of use effectively. Pair it with regular maintenance, and it will serve you well for thousands of miles.

Details:

Package Included. Any direct return of purchased items will not be processed. Color: Silver. Fit For: Yamaha Blaster 200 YFS200 Year 1988 -2006.

A perfect replacement for your damaged or worn out carb. New List Item. Size:Intake.D. Yamaha TTR125 2000 -2004.

Air Filter Mount.D. Material: Metal. Intake.D.34mm. Specification: Hand Choke 28mm Carburetor.

Direct fits your car Carb Engine.

part #: mcc120s prices

• $8.96-$30.30

specifications carbthrotatv:

• for models: Yfs200, 200, Blaster
• for makes: Yamaha
• for years: 1988-2006
• brand: Mechanics-s
• mpn: Mcc120s
• manufacturer warranty: 1 Year
• type: Carburetor
• modified item: No

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• other
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general carbthrotatv:

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

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• started: April 30, 2026
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• city: Monroe Township, New Jersey
• # reviews: 2660
• rating: 99.3%

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