PARTS UNLIMITED Piston Assembly - Yamaha - Standard 09-825

A piston assembly is your engine's front-line defense against combustion forces and thermal stress. When stock pistons show wear or you're rebuilding after performance modifications, PARTS UNLIMITED's cast piston assembly delivers OE-matched geometry with engineered thermal pathways that keep combustion heat moving efficiently to your cylinder walls. This direct-fit replacement arrives complete with rings, wrist pins, and circlips—everything you need for a straightforward rebuild.

• Cast piston construction
• OE-equivalent design
• Optimized heat transfer
• Replacement ring set included
• Wrist pins included
• Circlips included
• Yamaha fitment specific
• MPN: 09-825