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

// Air intake panels help to regulate body temperature

A bonus is the two external attachment straps where you can strap-on your jacket or extra equipment

YAMAHA YZ 04-07

(Please note this kit uses the 15-19 Radiator shroud 84189 and not the latest model shape for 20-22)

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