BOYESEN MN-XQT9 Power Reeds Moto Fuel Air MN/XQT9

( Brand: Boyesen ), ( Manufacturer Part Number: MN/XQT9 ), ( Compatible Year: 1985 1984 1983 ), ( Compatible Model: Yt125 Tri-moto ), ( Bundle Description: 1 Pc Genuine Boyesen Power Reeds ), ( Type: Power Reeds ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review BOYESEN Mn/xqt9 Power Reeds Yamaha Tri moto Fuel And Air Co fits YT125 1983–1985

The Boyesen MN/XQT9 Power Reeds are a meticulously engineered upgrade designed to enhance the performance and throttle response of the 1983 through 1985 Yamaha YT125 Tri-Moto, transforming it into a more responsive and fuel-efficient machine. These high-performance reeds are crafted from durable, precision-machined aluminum, ensuring they maintain their shape and integrity under the demanding conditions of high-RPM operation. The XQT9 model features a unique, tapered design that optimizes airflow through the carburetor, allowing for a smoother and more linear power delivery across the entire rev range. Unlike stock reeds, which can restrict airflow and cause hesitation or stumbling during acceleration, the Boyesen Power Reeds eliminate these issues by providing a consistent, unrestricted passage for fuel and air, resulting in a more aggressive yet refined throttle response. This upgrade is particularly beneficial for riders who demand quick, snappy acceleration, whether navigating city streets, cruising on highways, or tackling technical terrain. The reeds are designed to fit seamlessly into the YT125 s stock carburetor setup, requiring minimal modification and offering an easy, bolt-on installation that even intermediate mechanics can handle with confidence. Beyond performance gains, these reeds also contribute to improved fuel economy by ensuring optimal combustion, reducing wasteful fuel consumption while maintaining peak power output. Whether you're looking to revive the spirit of your classic Tri-Moto or simply enhance its daily drivability, the Boyesen MN/XQT9 Power Reeds deliver a noticeable improvement in both power and precision, making them an essential component for any Yamaha YT125 enthusiast seeking to unlock the full potential of their bike.

### Pros and Cons of Buying Boyesen MN/XQT9 Power Reeds for a 1983-1985 Yamaha YT125 Tri-Moto Fuel/Air

1. **Improved Fuel Efficiency** Power reeds are designed to optimize airflow and fuel mixture, which can enhance combustion efficiency. This may lead to better fuel economy, especially if the original reeds are clogged or worn.

2. **Enhanced Performance** If the original reeds are degraded, replacing them with high-quality aftermarket reeds like the Boyesen MN/XQT9 can restore or even improve throttle response, power delivery, and overall engine performance. This is particularly useful if the bike has been neglected or modified.

3. **Easier Maintenance** Power reeds are often easier to clean and maintain compared to stock reeds, which can become gummed up with carbon deposits over time. This reduces the likelihood of frequent carburetor issues.

4. **Compatibility with Modifications** If you ve made other modifications (e.g., upgraded carburetors, exhaust, or ignition), power reeds can help fine-tune the setup for better performance. They are a common upgrade in tuning circles for older Yamahas.

5. **Durability** Boyesen reeds are known for their robustness and longevity, especially when compared to OEM reeds, which can wear out quickly in high-mileage or heavily ridden bikes.

6. **Easier Installation** These reeds are designed to fit standard Yamaha carburetors (like the YT125 s 24mm or 26mm units) without extensive modifications, making them a straightforward upgrade.

7. **Potential for Reduced Carbon Buildup** Properly functioning reeds help maintain cleaner combustion, which can reduce carbon deposits in the cylinder and on the piston, prolonging engine life.

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1. **Cost** While not excessively expensive, Boyesen reeds are a premium product compared to generic or OEM reeds. For a 1983-1985 YT125, the cost may be seen as unnecessary if the original reeds are still functional.

2. **Learning Curve for Tuning** If you re not experienced with carburetor adjustments, replacing reeds may require fine-tuning the jet settings (pilot, main, or idle jets) to match the new reeds. Improper tuning can lead to poor performance, fuel waste, or even engine damage.

3. **Potential for Overkill** If the bike is used primarily for casual riding and hasn t been modified, the performance gains from power reeds may be minimal. The original reeds might still work fine with regular cleaning.

4. **Risk of Improper Installation** If not installed correctly (e.g., reeds not seated properly or misaligned), they can cause air leaks, leading to rough idling, hesitation, or poor acceleration. This requires careful attention during installation.

5. **Compatibility with Stock Setup** Some riders report that power reeds can make the bike feel slightly "peppier" or more aggressive, which may not suit riders who prefer a mellow, stock-like feel. If you like the original character of the YT125, this could be a downside.

6. **Maintenance Requirements** While easier to clean than OEM reeds, power reeds still require periodic cleaning to prevent gumming. Neglecting this can negate their benefits.

7. **Market Availability** While Boyesen is a reputable brand, finding exact replacements (especially for older models) may require ordering online, which could introduce delays if you re in a hurry.

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### **Conclusion and Recommendation**

- The original reeds are worn, clogged, or causing performance issues.

- You ve made other modifications (e.g., exhaust, carburetor upgrades) and want to optimize the setup.

- You re willing to invest in tuning the carburetor properly to match the reeds.

- You notice a decline in fuel efficiency, power, or smoothness that you attribute to the reeds.

- The bike is in good condition with functional reeds and hasn t been modified.

- You re not comfortable with carburetor tuning or adjustments.

- You prefer the stock feel of the YT125 without aggressive performance changes.

...then the cost and effort may not be justified.

For most riders who want a noticeable performance boost without major engine work, the Boyesen MN/XQT9 reeds are a solid choice. They offer a balance of improved efficiency, reliability, and ease of maintenance. If you proceed, pair the upgrade with a carburetor cleaning and jet adjustment to ensure optimal results. If the bike is already running well with minimal issues, prioritize other maintenance tasks (e.g., chain, brakes, suspension) before investing in reeds.

Details:

Boyesen Power Reeds for 1983 - 1985 Yamaha YT125 Tri-Moto - Fuel Air co: Status: In Stock.

part #: mnxqt9 price

• $41.28

specifications intakefuelmotorcycle:

• for makes: Yamaha
• for years: 1983-1985
• brand: Boyesen
• mpn: Mn/xqt9
• compatible year: 1985 1984 1983
• compatible model: Yt125 Tri-moto
• bundle description: 1 Pc Genuine Boyesen Power Reeds
• type: Power Reeds
• core charge: Free No Core Charge
• fitment type: Direct Replacement

shipping intakefuelmotorcycle:

• cost: $0.00
• service: Standard
• transit: 3-5 Days
• type: Fixed
• class: Standard

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• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller intakefuelmotorcycle:

• # reviews: 16953
• rating: 98.7%
• city: Multiple warehouses

payments intakefuelmotorcycle:

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general intakefuelmotorcycle:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

offer intakefuelmotorcycle:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: February 2, 2026
• sold: 0

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