Kawasaki KFX Engines and Parts | Rebuild Kits

Get your sport ATV back on the track or trail with precision-rebuilt components. Search by model breakdown and year range to find exact-fit solutions for your machine.

We supply full rebuild solutions organized across all Kawasaki KFX sport quad lines:

  • KFX 400 Series: Top and bottom end overhaul kits, replacement valves, gaskets, and cylinder components
  • KFX 450R Series: Complete remanufactured fuel-injected engines, master rebuild kits, pistons, and crank assemblies
  • KFX 700 V-Twin Series: Rebuilt long blocks, cylinder heads, transmission components, and valvetrain parts

Fast Core Returns & 1-Year Warranty

Send us your core with our fast nationwide 2-way shipping. Every part includes our 1-Year No-Fault Warranty. Built for dealers, shops, DIY mechanics, and riders.