Wiseco 4-Stroke Forged Series - ø77.00mm Piston kitRef : WI00110A / 1122552002

WISECO 4T Forged Series Piston Kit - ø77.00mm

Forged aluminum piston designed for modifications and replacements on 4-stroke motocross engines. Wiseco pistons have been recognized for nearly 50 years for their durability and strength under intensive use. This kit is designed for oversized bores (letter B) and is suitable for machining and reassembly when redoing the sleeve or installing an oversized piston.

• Manufacturer reference: W40229M07700B
• Piston diameter: Ø 76.960 mm (designated ø77.00mm)
• Piston compression: Standard
• Material: Forged aluminum
• Number of rings: Kit delivered with rings
• Universe: Motocross

Designed to withstand the high stresses of motocross displacements, this piston is suitable for engine refurbishment interventions and preparations aimed at optimizing performance. Ideal for demanding technicians and riders looking for a quality part from a recognized original manufacturer.

Common compatibilities:

• YAMAHA YZ 250 F (2026 - 250 cm3)
• FANTIC XXF 250 (2024 - 250 cm3)
• YAMAHA YZ 250 FX (2024 - 250 cm3)