Yamaha YFZ Engines and Parts | Rebuild Kits
Get your race-ready sport ATV back on the track, trail, or dunes with precision rebuilt components. Search by year breakdown and model generation to find exact-fit solutions for your high-revving 450 platform.
We supply full rebuild solutions organized across all Yamaha YFZ sport quad lines:
- YFZ 450 Series (2004–2009 / 2012–2013): Carbureted engine rebuild kits, crankshaft assemblies, cylinders, gasket kits, and transmission bearings
- YFZ 450R Fuel-Injected Series (2009–2013): Remanufactured long blocks, master top and bottom end rebuild kits, pistons, and valvetrain parts
- YFZ 450R Fuel-Injected Series (2014–2026+): Complete engine assemblies, high-compression piston kits, heavy-duty crankshafts, and clutch components
- YFZ 450X Trail Models: Direct-fit replacement engine parts, gasket sets, and performance rebuild kits
Fast Core Returns & 1-Year Warranty
Send us your core with our fast nationwide 2-way shipping. Every engine and part includes our 1-Year No-Fault Warranty. Built for dealers, race teams, DIY mechanics, and riders.
