The boyesen rad valve
Honda cr250 2005-07 is part of the latest performance motocross, enduro and quad hard parts range from boyesen.Boyesen make some of the best performance-enhancing components for on and off road motorcycles, and are known for their high quality and durability.Used by many factory teams around the world, boyesen parts improve your bikes performance and are far more durable than oem parts. They also give your bike that all important factory look if you are looking for high-quality performance parts for your motorcycle, motocross or enduro bike, boyesen is an excellent option. Their parts are made from the best materials and are designed to provide maximum performance maximum power achieved through air intake, acceleration and distribution the 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. What makes the boyesen rad valve design superior to stock or other aftermarket intake tract reed valve systems 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 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 reed petal tensioning material fuel resistance multi-stage reed ...