WOSSNER 69.5mm FORGED PISTON KIT HONDA TRX250 4T 1997-2023

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 +1.00mm.

Features

• High-strength forged construction for durability
• Optimized heat transfer for improved engine performance
• Elliptical design for even load distribution and prevention of piston collapse
• Precision manufacturing in Germany
• Oversize bore +1.00mm

Specifications

• Bore Size: 69.50mm
• Actual Diameter: 69.45mm
• 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 8870D100
• Ring Set: 695XKS
• C-Clip Set: CW15
• Pin: WP102

Cross-Reference OEM Part Numbers

• 13101-HN6-000
• 13101-HM8-A40
• Namura NA-10025

Vehicle Fitments

• Honda TRX250EX Sportrax (2001-2013)
• Honda TRX250 Recon Utility (1997-2001)
• Honda TRX250 FourTrax Recon ES/TE/TM (2002-2013)
• Honda TRX250X (2009, 2011-2012)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.