• 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.