Boyesen 645 Yamaha ATV Reed Valve Replacement

BOYESEN ATV POWER REEDS.
*  The Best High-Performance modification available for the money.
*  Made with Boyesen's exclusive Dura-Flex material.
*  Each kit is packaged to do one complete cylinder.

Upgrade the intake performance of your Yamaha ATV with the Boyesen 645 Reed Valve Replacement. Engineered by Boyesen, a trusted name in powersports intake components, this replacement reed is designed to provide dependable fitment and consistent operation for compatible Yamaha ATV applications. The Boyesen 645 is a practical choice for replacing a worn or damaged reed while maintaining the engine’s original intake system.
The reed valve controls airflow into the engine, and its condition can affect throttle response, starting behavior, and overall engine performance. This Boyesen replacement component is manufactured for durability and reliable sealing, helping support efficient air and fuel delivery during everyday riding and demanding off-road use. Its direct-replacement design simplifies service and helps restore proper function without unnecessary modifications.
The Boyesen 645 Yamaha ATV Reed Valve Replacement is supplied as a single unit and is intended for use by powersports technicians, repair shops, and ATV owners who require a dependable replacement part. Confirm application compatibility with your Yamaha ATV before installation, and follow the manufacturer’s service procedures for proper removal, inspection, and installation. With Boyesen quality and application-focused design, this reed valve is built to support reliable engine operation and long-term service.

Features:

• Brand: Boyesen

• Part Number: 645

• Application: Compatible Yamaha ATV reed valve replacement

• Function: Supports consistent intake airflow and reed valve sealing

• Design: Direct-replacement component for convenient service

• Construction: Built for dependable performance in powersports applications

• Package Quantity: One reed valve replacement