AX5207R TRX 2.5R Engine  

  • 60% more power
  • Straight-through exhaust flow
  • Slide carburetor
  • New push-button EZ-Start®
  • TRX IPS crankshaft
  • Knife edge connecting rod
  • Long rod design
  • Offset wrist pin
  • Smooth tubular header
  • Molded head protector
  • Cast cylinder head
  • High-Volume air filter
  • O-ring exhaust gasket
  • Super light piston and rod
  • Square reciprocal geometry
  • High performance ball bearings



    • TRX 2.5R Engine

    The TRX 2.5R features the Powertune™ machined aluminum cooling head that promotes even heat distribution for stable engine temps and rock-solid tuning consistency.

    Other mods include a new sleeve for improved engine efficiency and better power.