PISTON KIT/4 YAM YZF R6 69.00, WOSSNER K8830D200-4

The Wossner K8830D200-4 piston kit is a +2.00mm oversize forged piston set designed for Yamaha YZF R6 models from 2006 to 2011. With a 69.00mm bore and a maintained compression ratio of 13.0:1, this high-performance piston kit is ideal for maximising power and durability in high-revving four-stroke engines. Made in Germany, it includes four pistons and all required installation components.

Features

• Forged high-performance pistons with skirt coating

• Elliptical design ensures uniform thermal expansion and even load distribution

• Optimised for efficient heat transfer from combustion chamber to cylinder walls

• Designed for high-compression four-stroke applications

• Includes piston pins, clips, and rings

Specifications

• Bore size: 69.00mm (+2.00mm oversize)

• Measured bore: 68.94mm

• Display displacement: 599 / 617 / 635 cm³

• Stroke: 42.50mm

• Clearance: 0.06mm

• Compression ratio: 13.0:1

• Dome volume: –2.00 cm³

• Compression height: 21.20mm

• Quantity: 4 pistons per kit

• Made in Germany

Cross-Reference OEM Part Numbers

• Part No. 56-W9874.200.WO

Vehicle Fitments

• Yamaha YZF R6 2006–2011