Wiseco 4-Stroke Forged Series - ø97.00mm Piston kitRef : WI00161A / 1122573001

WISECO 4T Forged Series Piston Kit - ø97.00mm (Manufacturer part number: W40111M09700A): forged piston designed for demanding cross displacements. Manufactured and machined in the Wiseco factory in Mentor (Ohio), this aluminum piston confirms the brand's historical expertise in high-performance parts for competition and off-road use.

• Type: 4T forged piston, Forged series
• Diameter: Ø 97.00 mm (manufacturer measurement Ø 96.940 mm)
• Compression: High compression
• Oversize letter: A
• Material: Aluminum
• Delivery: Kit (piston and assembly components according to reference)

Specifically designed for the Cross environment, this piston is aimed at Yamaha YZ 450 F riders of the specified model years and any preparation requiring a forged and durable part. The forging process ensures a grain structure resistant to the thermal and mechanical stresses encountered in enduro and motocross. Ideal for engine refurbishment operations during an oversize "A" re-boring.

Before installation, check the sealing surface, bore, and manufacturer tolerances of your engine. For any questions regarding fitment or machining, our Motoblouz technical team is at your disposal.