The Competition Kit replaces the stock ECU and allows you to program fuel and ignition maps directly into your WR450F via the Yamaha Power Tuner App.
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.WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
The GYTR Communication Control Unit (CCU) allows you to communicate with your WR450F™ via your iOS® or Android® using the Yamaha Power Tuner App. Make fueling and ignition timing changes, while also monitoring maintenance intervals.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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