Wossner Wössner Piston Kit for Yamaha, 66.36 mm (8217DB)

Upgrade your Yamaha engine with the Wössner 8217DB Piston Kit, engineered for dependable performance, reduced friction, and long-term durability. This complete piston kit is designed for riders and engine builders who demand reliable components and consistent operation in demanding applications. The piston is forged from aerospace-grade aluminum alloy, providing a strong, lightweight foundation for improved engine performance.
The piston features a permanent skirt coating designed to reduce friction and minimize piston rock during operation. This helps promote quieter engine function while supporting smooth, efficient piston movement. Optimized machining reduces unnecessary weight while preserving strength in critical areas, including the crown and skirt wall cross-section. The result is a carefully balanced piston designed to withstand demanding engine conditions without sacrificing performance.
The Wössner 8217DB kit includes the piston, piston rings, wrist pin, and retaining clips for a convenient installation solution. With its Yamaha application, precise machining, and durable construction, this kit is suitable for engine rebuilds, performance upgrades, and replacement applications where dependable fit and function are essential. Verify engine compatibility before installation to ensure the correct application.

Features:

• Brand: Wössner

• Part Number: 8217DB

• Application: Yamaha engines

• Piston Size: 66.36 mm

• Material: Forged aerospace-grade aluminum alloy

• Skirt Coating: Permanent coating helps reduce friction and piston rock

• Machining: Optimized for reduced weight while maintaining strength in critical areas

• Kit Contents: Piston, rings, wrist pin, and retaining clips

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