Wossner Wössner Piston Kit for Yamaha, 66.37 mm (8216DC)

The Wössner 8216DC Piston Kit is engineered for Yamaha applications requiring dependable performance, reduced friction, and durable internal engine components. Forged from aerospace-grade aluminum alloy, this piston is designed to provide an excellent balance of strength and reduced weight for demanding riding and racing conditions. The kit includes the piston, piston rings, wrist pin, and retaining clips for a complete installation solution.
The piston features a high-quality permanent skirt coating that helps reduce friction and piston rock during operation. This coating supports quieter engine performance while promoting smooth movement within the cylinder. The result is improved piston stability and dependable operation across a wide range of engine speeds and loads.
Wössner uses optimized machining to remove unnecessary material while maintaining strength in critical areas, including the piston crown and skirt wall cross section. This design approach supports responsive engine performance without compromising structural integrity. The 66.37 mm piston size makes this Wössner 8216DC kit a purpose-built replacement or performance upgrade for compatible Yamaha engines.
Install the Wössner 8216DC Piston Kit using the manufacturer’s recommended procedures and verify application compatibility before installation. Proper clearance, ring placement, wrist pin retention, and break-in practices are essential for achieving reliable service life and consistent engine performance.

Features:

• Brand: Wössner

• Part Number: 8216DC

• Application: Designed for compatible Yamaha engines

• Piston Size: 66.37 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, piston rings, wrist pin, and retaining clips

• Performance: Supports quiet operation, improved piston stability, and dependable engine performance

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