Manufactured from steel and aluminum, which is either anodized or nickel plated to ensure a long lasting high quality finish. The principle of splitting the bell mouth to reduce negative and increase air and fuel flow is a very old principle, which has been adopted in many types of motorcycle racing since the 1960's. When fitting a powerblade to your machine you will notice an increase in acceleration and throttle response through most of the rev range.
YAMAHA YZ 250/450 2003-2009
YAMAHA WR 250/450 2003-2009