The WÖSSNER forged piston (Manufacturer Ref: 8564DA) is designed for demanding motorcyclists looking for an industrial-grade engine part for their roadsters. Manufactured in Germany by a specialist in engine components for both 2-stroke and 4-stroke engines, this aluminum piston features a forged design for mechanical strength suited to the thermal and mechanical stresses typical of the listed displacements.

• Bore diameter: 100.00 mm
• Piston diameter: Ø 99.93 mm (oversize A)
• Compression: Standard
• Material: Aluminum
• Anti-friction treatment on the skirt to reduce friction against the cylinder
• Delivered complete with ring(s), circlips, and pin

This piston is designed to replace the original part on compatible engines while adhering to the oversize A specification. Its profile and skirt treatment facilitate break-in and contribute to a consistent engine behavior after installation. Ideal for reassembly following honing or for mechanical restoration.

Compatible motorcycles (examples):

• HONDA FMX 650 FUNMOTO (RD12) – 2006
• HONDA NX 650 DOMINATOR (RD08) – 1999
• HONDA SLR 650 (RD09) – 1998