Piston Kit 09-11 TM450F 95.00, Forged Wossner 8820DA

This Wossner forged piston kit, part number 8820DA, features a standard 94.96mm bore (designated as 95mm) and is designed for TM MX-F450 (2009–2010), MX-Fi450 (2011), and EN-Fi450 (2011) models. Manufactured in Germany, the piston is engineered for high-performance four-stroke engines, offering excellent durability, thermal efficiency, and uniform load distribution via its elliptical profile.

Features

• Forged construction for high strength and durability
• Elliptical design for uniform expansion and load distribution
• Optimized for efficient combustion heat transfer
• Made in Germany
• Direct OEM replacement
• Easy to install; professional installation recommended if unsure

Specifications

• Bore Size: 94.96mm (Standard)
• Displacement: 449cm³
• Stroke: 63.40mm
• Clearance: 0.04mm
• Dome Volume: -6.40cm³
• Compression Ratio: 13.00:1 (OEM)
• Compression Height: 21.00mm

Cross-Reference OEM Part Numbers

• CW19 (Lock)
• WP037 (Pin)
• 950ADS-2 (Ring Set)

Vehicle Fitments

• TM MX-F450 (2009–2010)
• TM MX-Fi450 (2011)
• TM EN-Fi450 (2011)