Includes a modified throttle stop to allow full throttle operation
The ECU permits the usage the Handlebar Map Switch (B7B-83976-00-00 sold separately) that allows the rider to select between 2 pre-programed ECU maps. The GYTR® Communication Control Unit for WR450F (B7R-H59C0-V0-00) allows the usage of the Yamaha Power Tuner App
Easy, quick installation
This accessory affects emissions; installation on EPA-regulated 2006 or later WR models constitutes unlawful tampering except when used solely for closed-course competition
This accessory is restricted to closed-course competition use. See California Regulations regarding Emission-Related Parts and Accessories for products for closed-course competition use only.