Wossner Forged Piston Kit for Yamaha, 70.44 mm (8179D050)

The Wossner 8179D050 piston kit is engineered for Yamaha applications requiring dependable performance, reduced friction, and durable construction. Made from aerospace-grade aluminum alloy, this forged piston delivers an excellent balance of strength and weight for demanding engine operation. The permanent skirt coating helps reduce friction and piston rock, supporting quieter operation and improved piston stability.
Optimized machining removes unnecessary material while preserving strength in critical areas, including the crown and skirt wall cross section. This design helps promote responsive engine performance without compromising durability in high-stress operating conditions. The 70.44 mm piston diameter is engineered for proper application fitment, making this kit a reliable choice for rebuilding or upgrading a compatible Yamaha engine.
The Wossner 8179D050 piston kit includes the piston, piston rings, wrist pin, and retaining clips for a complete installation package. Each component is designed to work together for dependable operation and consistent performance. Verify engine application and fitment before installation to ensure compatibility with your Yamaha model.

Features:

• Brand: Wossner

• Part Number: 8179D050

• Application: Yamaha engines

• Piston Diameter: 70.44 mm

• Construction: Forged aerospace-grade aluminum alloy

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

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

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

Ships from Parts Unlimited.