Jet Kit for Yamaha YZ250F 2008 US model (Stage 1) Model_250 SX No need to weld extra

No need to weld extra 18mm lambda bosses in the exhaust

When paired with a Target Tune specific calibration flashed by a Power Vision

This allows you to remove the electronic flapper on the airbox without triggering the engine light

It can also be used to recover firmware in some PC3usb units or Ignition Module units where the firmware may have become scrambled

Simple way to get accurate Air/Fuel data on Dyno

Jet Kit for Yamaha YZ250F 2008 US model (Stage 1) Model_250 SX No need to weld extraTake your performance to new heights with a Jet Kit for your motorcycle. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. Our Jet Kits take the guesswork out of tuning your bike. Whether your bike is stock or youve made some modifications, our Jet Kit will optimize your air fuel ratio to eliminate rough spots and help you take control of your motorcycles power. STAGE 1 DETAILS