Description
The reed valve is your engine’s gatekeeper—it controls fuel-air mixture timing with precision that directly impacts throttle response and peak power. Boyesen’s dual-stage reed design has been proven through laboratory flow analysis to outperform standard reeds across the entire operating pressure range, giving you measurable gains from cold start through top-end acceleration. If you’re serious about maximizing your Suzuki 628’s potential, this is a foundational upgrade that belongs on your build.
- Dual-stage reed design
- Enhanced flow velocity
- Improved throttle response
- Increased startup performance
- Laboratory flow tested
- Suzuki 628 fitment
- Bolt-on installation
- OEM-quality materials






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