YZ 250 Jet Kit

YZ 250 Jet Kit
YZ 250 Jet Kit
YZ 250 Jetting Kit Includes
  • YZ 250 Main Jets
  • YZ 250 Needle Adjusters
  • YZ 250 Nylon Spacers
  • Drill Bits for
  • YZ 250 Slide Hole Mod (some models)
  • YZ 250 Idle Mixture Mod
  • YZ 250 Bike Specs
  • Carb Schematic
  • Carb Synchronizer Tool (how to build for $5)
  • Step by step instructions with photos customized to your bike.
  • Installation Support - If you need assistance with installation or have a question we are there for you.

Please Select the Following Information

Stage 1-7
Air Filter Type
Exhaust Type
Altitude / Elevation Riding Range
Year, Make, & Exact Model
Other Mods, Brand of Exh/Int

    Please Include any more Information needed to Design your Jet Kit


This is a Custom Designed Performance Jet Kit.
We give a 100% Satisfaction Guarantee Refund on each Kit.
Fill out the information, and Engineering will design the kit per your specifications.