XZ520RV4 Jet Kit

Xtreme Motor Montana 250 Jet Kit
XZ520RV4 Jet Kit

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
XZ520RV4 Jetting Kit Includes

  • XZ520RV4 Main Jets  
  • XZ520RV4 Pilot Jet                                     
  • XZ520RV4 Needle Adjusters        
  • XZ520RV4 Nylon Needle Spacers
  • Drill Bits for ​
  • XZ520RV4 Idle Mixture Modification
  • XZ520RV4 Tuning Tech
  • XZ520RV4 Bike Specs
  • XZ520RV4 ​Carb Schematic
  • Carb Synchronizer Tool (how to build for $5)
  • Step by step instructions with photos for ease of installation.
  • Installation Support - If you need assistance we are there for you.



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.