PISTON KIT XR400 TRX400 86.50, FORGED WOSSNER 8604D150
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Wossner forged piston kit with an 86.50mm bore. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, elliptical design for uniform bearing surface under heat expansion, increased compression ratio for improved engine performance, and is made in Germany. Specifications include a bore of 86.50mm (86.44mm actual), display of 397 cm3, stroke of 70.00mm, clearance of 0.06mm, Wossner Compression Ratio of 11.00:1, OEM Compression Ratio of 10.00:1, Dome Volume of +3.20 cm3, and Compression Height of 26.20mm. Cross-reference OEM Part Numbers: Wossner Piston: 8604D150, Lock: CW20, Pin: WP052, Ring Set: 865XSY, Rod: P4021.
- SKU
- 56-W4606+150.WO
- Brand
- Wossner
- Availability
- In Stock (3)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 86.5mm
- Variant Id
- 255773
FULL DESCRIPTION
Wossner Forged Piston Kit - 86.50mm Bore
Enhance the performance and durability of your motorcycle or ATV with this Wossner forged piston kit. Engineered in Germany, this high-quality piston is designed for precision and strength.
Key Features
- Forged Construction: Provides superior strength, heat transfer, and longevity for demanding applications.
- Elliptical Design: Ensures uniform bearing surface distribution, even under extreme heat, reducing localized pressure and preventing piston collapse.
- Increased Compression: Offers an improved compression ratio of 11.00:1 (compared to OEM 10.00:1) for a noticeable boost in engine performance.
- Optimized Heat Transfer: Efficiently transfers heat to cylinder walls for better thermal management.
- German Engineering: Manufactured to high standards in Germany, guaranteeing quality and reliability.
Specifications
- Bore Size: 86.50mm (actual bore 86.44mm)
- Displacement: 397 cm³
- Stroke: 70.00mm
- Piston Clearance: 0.06mm
- Wossner Compression Ratio: 11.00:1
- OEM Compression Ratio: 10.00:1
- Dome Volume: +3.20 cm³
- Compression Height: 26.20mm
Included Components
- Wossner Piston: 8604D150
- Lock Ring: CW20
- Piston Pin: WP052
- Ring Set: 865XSY
- Connecting Rod: P4021
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