Wossner forged Piston kitRef : WO00374A / 1122778003

Manufacturer Ref: 4086DC
WÖSSNER forged piston - 4086, designed for Cross applications. Manufactured in Germany by Wössner, this forged aluminum piston meets the requirements of 2-stroke and 4-stroke engines thanks to its robust design and careful machining.

• Type: Forged piston
• Compression: High compression
• Diameter: Ø 96.98 mm (oversize letter C)
• Material: Aluminum
• Number of rings: 3 (delivered with rings)
• Finish: Anti-friction treatment of the skirt
• Delivered with: rings, circlips, and pin

This piston is aimed at riders and builders looking for a quality engine part for Cross displacements. The treated skirt minimizes friction at idle and when hot, while the forged design ensures a geometry resistant to mechanical stresses encountered in off-road conditions. Useful reference for refurbishment or engine preparation projects on 450 models.

Frequently encountered compatibilities: YAMAHA YZ 450 F (2026 - 450 cc), FANTIC XXF 450 (2024 - 450 cc), YAMAHA WR 450 F (2024 - 450 cc). Check the reference and oversize before installation.