The GYTR® Ported Cylinder Head Assembly comes fully assembled and ready to install with no costly core charges, deposits or exchange programs that can add downtime.
This easy plug-in fuel-injection and ignition tuning tool allows riders to quickly adjust the fuel and ignition maps to suit riding conditions and rider preference. Allows nine easy-to-program adjustment points for both the fuel and ignition maps. Monitor function allows user to monitor the data from various sensors on the bike as well as adjust idle timing, see engine running time, and self-diagnosis function.
Powered by two AA batteries, thus no laptop or time consuming downloads necessary. Unit does not have to be plugged into bike to create maps. Compact design can fit in the palm of your hand, pocket, etc. Memory function can save up to nine custom maps.
NOTE: Plugs right into the YZ®450F, YZ®450FX, YZ®250FX, and YZ®250F ECU. WR®450F and WR®250F requires GYTR® Competition Kit/ECU, sold separately.
Check the Specifications tab for baseline settings.
Download the GYTR Power Tuner Race Setup Log
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
The Competition Kit replaces the stock ECU and includes a new throttle stop to allow wide open throttle.
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.
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