GYTR Competition Kit WR450F
Image may not reflect actual product sold. Read product description carefully.

Recommended Items

Nearest Dealer:


The Competition Kit replaces the stock ECU and allows the usage of the Yamaha Power Tuner App (with purchase of GYTR® Communication Control Unit for WR450F, B7R-H59C0-V0-00) and/or the Handlebar Map Switch, B7B-83976-00-00 that allows the rider to select between 2 pre-programed ECU maps.

  • Includes a modified throttle stop to allow full throttle operation
  • Specific maps for tuning capabilities available for free on (located under WR GYTR Exhaust Systems’ details)
  • For maximum performance, it is recommended but not required to be used in conjunction with accessory GYTR Full Exhaust Systems
  • 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.

WARNING: Cancer and Reproductive Harm -

Recommended Items

Update all Quantities