Wiseco Forged Piston kit

WISECO Forged Piston — Ref. W40106M08700

Forged piston designed for the 850 quad range, signed by WISECO. Machined from high-quality aluminum, it adheres to the standard oversize (letter A) for a precise fit to the bore. This part is intended for replacement or engine rebuild, fitting configurations that require a piston Ø 98.94 mm and a standard oversize dimension.

• Brand: WISECO
• Manufacturer Reference: W40106M08700
• Piston Diameter: Ø 98.94 mm
• Oversize: STD (letter A)
• Material: forged aluminum
• Compression: standard
• Rings: XX8700

This piston is aimed at DIY enthusiasts and workshops that are rebuilding the combustion chamber or replacing a worn component. Its size and installation correspond to the recommended bore and pin clearances for the targeted engines; however, please check dimensions and tolerances on your engine before installation. Compatible with several variations of the POLARIS SPORTSMAN 850:

• POLARIS SPORTSMAN 850 HIGH LIFTER EDITION (2020)
• POLARIS SPORTSMAN 850 (2020)
• POLARIS SPORTSMAN 850 SP (2017)

Replace your piston with an original WISECO part to maintain the original piston geometry, bore size, and ring/pin assembly. Be sure to check piston-cylinder clearance, connecting rod alignment, and ring condition during reassembly.