This Wossner forged piston kit, part number 8285DA, features a 47.91mm bore and is specifically designed for TM 85 models from 2008 to 2013. Engineered in Germany for two-stroke engines, the piston utilizes an elliptical design for optimal load distribution and durability, and is built to provide effective heat transfer from the combustion chamber to the cylinder walls.

Features

• Forged piston construction for strength and durability in two-stroke applications


• Elliptical design minimizes stress and prevents piston collapse


• Engineered for efficient combustion heat transfer


• Made in Germany


• Direct OEM replacement


• Easy to install; professional installation recommended if unsure

Specifications

• Bore Size: 47.91mm (Standard)


• Displacement: 85cm³


• Stroke: 47.00mm


• Clearance: 0.05mm


• Compression Ratio: 2-stroke


• Dome Volume: Not specified


• Compression Height: 24.00mm

Cross-Reference OEM Part Numbers

• CW13 (Lock)


• WP124 (Pin)


• RSB4800 (Ring Set)


• P2068 (Rod)

Vehicle Fitments

• TM 85 (2008–2013)