BOYESEN 640R-408 Power Reeds

( Brand: Boyesen ), ( Manufacturer Part Number: 640R-408 )

Review BOYESEN Power Reeds Yamaha fits YZ400 1979

The 640r-408 Boyesen Power Reeds for Yamaha YZ400 (1979 model) are a high-performance upgrade for your motorcycle's engine. These power reeds are designed to enhance the power delivery and throttle response of your YZ400, providing a noticeable improvement in overall engine performance.

The 640r-408 Boyesen Power Reeds feature a unique design with a large opening and narrow profile that allows for increased airflow into the engine. This increased airflow results in a more efficient combustion process, which in turn produces more power and torque. The reeds are made from a high-density material that is both durable and lightweight, ensuring reliable performance and reduced engine drag.

The Boyesen Power Reeds are easy to install, requiring no modifications to your YZ400's engine. They simply replace the stock reeds, and the included gasket ensures a perfect seal for optimal performance. The reeds are available in a variety of sizes to match your specific riding style and engine tuning.

In summary, the 640r-408 Boyesen Power Reeds for Yamaha YZ400 (1979 model) are a high-quality upgrade that will provide improved engine performance, increased power and torque, and enhanced throttle response. These reeds are easy to install, durable, and designed to provide reliable performance for years to come. Upgrade your YZ400 with Boyesen Power Reeds and experience the difference in power and performance.

1. Improved Power and Performance: Boyesen Power Reeds are known for their ability to improve engine performance by reducing restriction and allowing more air to enter the engine. This can lead to increased horsepower and torque, making the bike more responsive and faster.

2. Improved Fuel Efficiency: By allowing more air to enter the engine, Boyesen Power Reeds can also help improve fuel efficiency. This means you may need to fill up less often, saving you money in the long run.

3. Durability: Boyesen Power Reeds are made from high-quality materials and are designed to last. They are also resistant to wear and tear, which means they will not need to be replaced as often as stock reeds.

1. Cost: Boyesen Power Reeds are more expensive than stock reeds. While the improved performance and durability may make up for the cost in the long run, it can be a significant upfront expense.

2. Installation: Installing Boyesen Power Reeds can be a complex process and may require specialized tools and knowledge. If you are not comfortable doing the installation yourself, you may need to pay someone to do it for you.

3. Tuning: Boyesen Power Reeds may require additional tuning to ensure that the engine is running optimally. This may involve adjusting the jetting or carburetor settings, which can be a complex process.

Overall, Boyesen Power Reeds for Yamaha YZ400 (640r-408) can provide significant improvements in performance and fuel efficiency, as well as improved durability. However, the cost of the reeds and the potential need for additional tuning and installation can be a drawback. If you are comfortable with the potential costs and are willing to put in the time and effort to install and tune the reeds, they can be a great investment.

If you are looking to improve the performance of your Yamaha YZ400 (640r-408) and are willing to invest in high-quality reeds, Boyesen Power Reeds are a great option. However, it is important to do your research and consider the potential costs and installation requirements before making a purchase. You may also want to speak with a professional mechanic or tuner to ensure that the reeds are the right fit for your bike and riding style.

Details:

part #: 640r408 prices

• $39.95-$51.25

specifications intakefuelmotorcycle:

• for models: Yz400
• for makes: Yamaha
• for years: 1979
• brand: Boyesen
• mpn: 640r-408

Ratings:

1. thanks 11-05-17
2. perfect, thank you. 11-05-17
3. As described. No issues. Thanks! 11-05-17
4. Fast shipping 11-05-17

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• city: La Habra, California
• zipcode: 90631

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• condition: New
• Motors > parts Accessories > motorcycle Parts > intakeFuel Systems
• in stock: Yes

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