1. Personal Watercraft Parts Products
  2. sku: 10105277394057771
  3. YAMAHA 66E-14721-10-94

YAMAHA 66E-14721-10-94 Exhaust Muffler 66E-14721-10-8S M76-42

fits model: Xl800, 800. make: Yamaha. year: 1998–2001.

66e-14721-10-8s Yamaha 66e-14721-10-94 98-01 Xl800 Xl 800 Exhaust Muffler M76-42

( Manufacturer Part Number: 66E-14721-10-94 ), ( Part Type: Exhaust Muffler ), ( Country Of Origin: Japan )

Review YAMAHA Xl Exhaust Muffler fits XL800 800 1998–2001

Yamaha XL800 XL 800 Exhaust Muffler (66e-14721-10-8S M76-42)

Description:

Introducing the Yamaha 66e-14721-10-8S M76-42 exhaust muffler, a high-performance aftermarket replacement for your Yamaha XL800 motorcycle. This exhaust component, manufactured by Yamaha, is designed to deliver powerful exhaust flow while maintaining excellent sound quality and durability.

The 66e-14721-10-8S M76-42 exhaust muffler is engineered with precision and attention to detail, ensuring a perfect fit and seamless integration with your XL800 motorcycle. It's made from premium materials, including high-quality stainless steel, which not only ensures robustness but also provides excellent resistance to corrosion and wear.

This exhaust muffler features a compact and lightweight design, which not only enhances the overall look of your motorcycle but also contributes to improved handling and maneuverability. Its unique internal structure allows for optimal exhaust gas flow, resulting in enhanced engine performance and improved throttle response.

Moreover, the exhaust muffler is equipped with a carefully designed sound chamber that delivers a deep, rich exhaust note, adding to the overall riding experience. It's also engineered to meet or exceed the required emissions standards, allowing you to enjoy the power and sound of your motorcycle without compromising the environment.

Installation of the 66e-14721-10-8S M76-42 exhaust muffler is straightforward and can be done using standard hand tools. It comes with all necessary hardware, making the installation process hassle-free and efficient.

In conclusion, the Yamaha 66e-14721-10-8S M76-42 exhaust muffler is an excellent investment for any Yamaha XL800 motorcycle owner looking to enhance engine performance, improve throttle response, and add a unique exhaust note to their ride. With its premium build quality, compact design, and hassle-free installation, this exhaust muffler is sure to exceed your expectations and provide you with years of reliable service.

Pros and Cons of Buying Yamaha XL800 XL 800 Exhaust Muffler 66e-14721-10-8S (M76-42)

The Yamaha XL800 XL 800 Exhaust Muffler 66e-14721-10-8S (M76-42) is a popular aftermarket replacement for stock mufflers. This component can offer several benefits and drawbacks for motorcycle owners. Below, we'll discuss the pros and cons of purchasing this exhaust muffler.

Pros:

1. Improved Performance: Upgrading to a new aftermarket muffler can result in increased horsepower and torque, enhancing the overall riding experience.

2. Better Sound: Many riders prefer the deep, throaty exhaust note that comes with aftermarket mufflers, which can be more pleasing to the ear than stock mufflers.

3. Lightweight Design: The Yamaha XL800 XL 800 Exhaust Muffler 66e-14721-10-8S is a lightweight component, which can help improve the motorcycle's handling and acceleration by reducing the overall weight.

4. Stylish Appearance: The sleek design and polished finish of the muffler can add a touch of style and customization to the motorcycle.

Cons:

1. Expense: Aftermarket exhaust mufflers can be more expensive than stock components, which may be a deterrent for some riders.

2. Loudness: Depending on the specific design of the muffler, it may produce a louder exhaust note than the stock muffler, which could be a concern for those who prefer a quieter ride.

3. Installation: Installing an aftermarket exhaust muffler can be a more complex process than swapping out a stock muffler, requiring additional tools and expertise.

Conclusion:

The Yamaha XL800 XL 800 Exhaust Muffler 66e-14721-10-8S (M76-42) offers several benefits, including improved performance, better sound, a lightweight design, and a stylish appearance. However, it also comes with some drawbacks, such as expense, potential loudness, and a more complex installation process. Ultimately, the decision to purchase this muffler depends on an individual's preferences, budget, and riding style.

Recommendation:

For riders who prioritize performance, style, and a deeper exhaust note, the Yamaha XL800 XL 800 Exhaust Muffler 66e-14721-10-8S (M76-42) could be an excellent investment. However, for those who prefer a quieter ride or have a limited budget, a stock muffler may be a better choice. It's essential to consider all factors before making a decision.

Details:

This USED part is in working condition. Please refer to all pictures for a detailed view of its condition. Semi # 7 ROEBLING 09/05/25 Yamaha 129x.

part #: 66e147211094 prices

  • $44.25-$98.78

specifications perwatercraft:

  • for models: Xl800, 800
  • for makes: Yamaha
  • for years: 1998-2001
  • mpn: 66e-14721-10-94
  • part type: Exhaust Muffler
  • country of origin: Japan

offer perwatercraft:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: January 6, 2026
  • availability: In Stock

general perwatercraft:

  • Parts Accessories > Personal Watercraft Parts > Other Parts
  • condition: Used

returns perwatercraft:

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

seller perwatercraft:

  • # reviews: 8192
  • city: Lake Placid, Florida
  • rating: 99.9%

shipping perwatercraft:

  • carrier: USPS
  • service: USPS Ground Advantage
  • cost: $30.00
  • class: Standard
  • transit: 3-8 Days
  • type: Fixed

payments perwatercraft:

  • other
  • wallet: Paypal
  • credit card: Mastercard
for models: xl800, 800, for makes: yamaha, for years: 1998-2001, part type: exhaust muffler, country of origin: japan,
category: watercraft parts > parts, sku: 10105277394057771,

Yamaha 66E-14721-10-94 Is Similar To:

perwatercraft logo
5 offers $44.25–$98.78 USD
  • Offer #1: $75.00 price + $0.00 shipping estimate = $75.00* total. Parting out 2000 Yamaha Waverunner XL800.FREE SHIPPING
  • Offer #2: $44.25 price + $30.00 shipping estimate = $74.25* total. OFFICE USE ONLY. 1998 Yamaha GP800 2 stroke carb.+$30.00 shipping
  • Offer #3: $98.78 price + $0.00 shipping estimate = $98.78* total. Removed From: 1999 Yamaha WaveRunner GP800 with 100 HOURS miles. This EXHAUST muffler is in very good condition and shows normal signs of wear.FREE SHIPPING
  • Offer #4: $89.99 price + $130.40 shipping estimate = $220.39* total. Removed From: 2002 Yamaha WaveRunner XL800.+$130.40 shipping
  • Offer #5: $40.99 price + $0.00 shipping estimate = $40.99* total. For sale, Yamaha exhaust muffler 2 as pictured. The following part was removed from a great running freshwater only 2003 Yamaha XLT800.FREE SHIPPING

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