Intake

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low-pressure (Low-throttle) responseGreater velocityGreater flow areaLonger overall lifeNo engine damage if broken

Boyesen Motorcycle Rad Valve Reeds Rl-20

Boyesen Motorcycle Rad Valve Reeds Rl-18

Boyesen Motorcycle Rad Valve Reeds Rl-02

BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific...

BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific...

BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific...

BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific...

Boyesen Motorcycle Rad Valve Boot Rbk-6

Boyesen Motorcycle Rad Valve Boot Rbk-5

Boyesen Motorcycle Rad Valve Boot Rbk-4

Boyesen Motorcycle Rad Valve Boot Rbk-3