Wiseco 4-Stroke Forged Series - ø77.00mm Piston kitYAMAHA 250 YZ 250 F (CG34) - 2014 - 2015Ref : WI00157A / 1122571003

WISECO 4T Forged Series Piston Kit - Ø77.00 mm (Manufacturer part number: W40116M07700C)

Wiseco forged piston designed for motocross and engine preparations. Made from forged aluminum, this kit is aimed at riders looking for a robust original part suitable for replacement during a rebuild or maintenance. Its forged design ensures mechanical strength suited to the typical stresses of off-road riding without unverified technical promises.

• Diameter: Ø 76.97 mm (referenced Ø77.00 mm)
• Piston compression: Standard
• Oversize letter: C
• Material: Forged aluminum
• Number of rings: Kit (rings provided)
• Field: Motocross

This Wiseco piston kit integrates into maintenance or preparation operations without altering the original operating principle. It is compatible with several engine models, including YAMAHA YZ 250 F (CG34) from the 2014 and 2015 model years (250 cm³) — check the exact compatibility with your engine before installation.

Ideal for riders who want a durable replacement part on trails and tracks, this piston retains Wiseco's racing DNA while remaining a reliable foundation for your engine preparation.