PISTON KIT 06-09 R1200GS 101, WOSSNER K8658DA-2 BMW ROAD, SET/2

This Wossner forged piston kit with a 101mm bore (actual 100.96mm) is designed for BMW R1200 models from 2005 to 2009, including GS, S, ST, RT, and R variants. With a high OEM compression ratio of 12.0:1 and reduced dome volume for optimised combustion, this set of two pistons is engineered for reliability and thermal efficiency.

Features

• Forged construction ensures high strength and performance

• Designed for efficient heat dissipation to the cylinder walls

• Elliptical shape provides consistent surface contact under thermal expansion

• Made in Germany

Specifications

• Bore Size: 101mm (actual 100.96mm)

• Stroke: 73.00 mm

• Clearance: 0.04 mm

• Display Displacement: 1085 cm³

• Wossner Compression Ratio: OEM

• OEM Compression Ratio: 12.00:1

• Dome Volume: -3.40 cm³

• Compression Height: 30.90 mm

Vehicle Fitments

• BMW R1200GS 2005–2009

• BMW R1200S 2009

• BMW R1200ST 2005–2009

• BMW R1200RT 2005–2009

• BMW R1200R 2005–2009