Boyesen Rad Valve Yamaha Yz125 89-92 Chain Guides // Air intake panels help

// Air intake panels help to regulate body temperature

Foot shell incorporates heel and toe protection that is highly resistant to abrasion and impact and adds to the boot’s overall durability

Back Protector: En 1621-2:2014 Level 1

Hard anodized finish

Easy on OEM rotors

Boyesen Rad Valve Yamaha Yz125 89-92 Chain Guides // Air intake panels helpThe Boyesen Rad Valve features a sophisticated array of performance attributes designed to provide peak horsepower gains, durability, and model specific performance for each make model year machine. Each Boyesen RAD Valve is unique tailor made to that model, year and displacement. With the new RC2 Rad Valve System, Boyesen engineers have created a lineage of aerodynamic intake technology by refining the primary performance factors required to increase