Beta 300RR Jet Kit

Beta Alp 4.0 4T 200 Jet Kit
Beta Alp 4.0 4T 200 Jet Kit
Beta 300RR Jet Kit Includes:


  • Main Jets​
  • Pilot Jet
  • Needle Adjusters
  • Nylon Spacers
  • Drill Bits for
  • Slide Hole Modification 
  • Idle Mixture Modification
  • Slide Spring Modification
  • Exhaust Modification
  • Bike Specs
  • Carb Schematic
  • Carb Synchronizer Tool (How to build for $5)
  •  Step by Step Instructions with photos customized to your bike
  • Installation Support

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.