Wossner Piston Kit, 53.96 mm for Yamaha (8321DB)

The Wossner 8321DB Piston Kit is engineered for Yamaha applications requiring dependable performance, reduced friction, and precise fitment. Forged from aerospace-grade aluminum alloy, this piston is designed to provide an excellent balance of strength and lightness for demanding engine use. The kit includes the piston, piston rings, wrist pin, and retaining clips for a convenient installation solution.
The piston features a permanent skirt coating that helps reduce friction and piston rock, supporting quieter operation and improved engine performance. Optimized machining removes unnecessary material while maintaining strength in critical areas, including the crown and skirt wall cross section. This design helps promote responsive engine operation without compromising durability.
Designed for performance-focused Yamaha engines, the Wossner 8321DB combines quality materials, precision manufacturing, and practical kit contents in one replacement package. Verify application compatibility and engine specifications before installation to ensure proper fitment and reliable service. The piston diameter is 53.96 mm, equivalent to approximately 2.124 inches.

Features:

• Brand: Wossner

• Part Number: 8321DB

• Application: Yamaha engines

• Piston Diameter: 2.124 inches

• Material: Forged aerospace-grade aluminum alloy

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

• Design: Optimized machining for reduced weight while maintaining strength

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

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