ER-5 500 Twister Jet Kit

ER-5 500 Twister Jet Kit
ER-5 500 Twister Jet Kit
ER-5 500 Twister Jetting Kit Includes

  • ER-5 500 Twister Main Jets                    
  • ER-5 500 Twister Pilot Jets                      
  • ER-5 500 Twister Needle Adjusters        
  • ER-5 500 Twister Nylon Needle Spacers
  • ER-5 500 Twister Slide Spring Modification
  • Drill Bits for
  • ER-5 500 Twister Slide Hole Modification (optional)
  • ER-5 500 Twister Idle Mixture Modification
  • ER-5 500 Twister Intake Airbox Modification
  • ER-5 500 Twister Exhaust Modification
  • ER-5 500 Twister Tuning Tech
  • ER-5 500 Twister Bike Specs
  • 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.

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.