PISTON KIT 02-13 TRX250 69.00, FORGED PISTON WOSSNER 8870D050, HONDA ATV
Wossner forged piston kit designed for superior strength and durability. Engineered for optimal heat transfer from the combustion chamber to the cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany for high-quality performance. This piston has an oversize bore of +0.50mm. Features include high-strength forged construction for durability, optimized heat transfer for improved engine performance, and an elliptical design for even load distribution and prevention of piston collapse. Precision manufacturing in Germany. Oversize bore +0.50mm. Specifications: Bore Size 69.00mm, Actual Diameter 68.95mm, Displacement 229 cm³, Stroke 62.20mm, Clearance 0.05mm, Compression Ratio OEM, OEM Compression Ratio 10.00:1, Dome Volume +4.10 cm³, Compression Height 21.70mm. Included Components: Piston Wossner 8870D050, Ring Set 690XKS, C-Clip Set CW15, Pin WP102. Cross-Reference OEM Part Numbers: 13101-HN6-000, 13101-HM8-A40, Namura NA-10025.
- SKU
- 56-W004.P2.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit
This Wossner forged piston kit is engineered for exceptional strength and durability in your motorcycle or ATV engine. Designed for optimal heat transfer from the combustion chamber to the cylinder walls, this piston ensures efficient operation and longevity. Its advanced elliptical design creates a uniform bearing surface even under extreme heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Precision manufactured in Germany, this kit delivers high-quality performance you can rely on.
Key Features:
- High-strength forged construction for maximum durability.
- Engineered for optimized heat transfer, enhancing engine performance.
- Elliptical design promotes even load distribution and prevents piston collapse.
- Precision manufacturing standards from Germany.
- Features an oversize bore of +0.50mm.
Specifications:
- Bore Size: 69.00mm
- Actual Diameter: 68.95mm
- Displacement: 229 cm³
- Stroke: 62.20mm
- Clearance: 0.05mm
- Compression Ratio: OEM
- OEM Compression Ratio: 10.00:1
- Dome Volume: +4.10 cm³
- Compression Height: 21.70mm
Included Components:
- Piston: Wossner 8870D050
- Ring Set: 690XKS
- C-Clip Set: CW15
- Pin: WP102


