Vertex Cast Race Evolution Piston Kit for 2002-2024 Yamaha YZ 85 & More - 24503A

The Vertex Cast Race Evolution Piston Kit 24503A is designed for the Yamaha models listed below. It provides an application-specific solution for competition top-end service while keeping the required vehicle fitment connected to one manufacturer part number.

This Vertex Race Evolution cast piston is developed for competition-focused two-stroke performance. The design uses optimized crown and skirt geometry, a reduced top-land area, a thin compression ring, and a coated skirt.

Features

• Cast Race Evolution performance design
• Optimized crown, top-land, and skirt geometry
• Thin compression-ring configuration
• Coated piston skirt designed to support lubrication and wear resistance

Specifications

• Brand: Vertex
• Product Type: Cast Race Evolution Piston Kit
• Manufacturer Part Number: 24503A

Vehicle Fitment

Compatible Make(s): Yamaha

• YZ 85 (2002-2024)
• YZ 85 Big Wheel (2022-2024)

Fitment Note: Confirm the exact year, model, engine, trim, and required component configuration before ordering. Professional installation and measurement of all engine clearances are recommended where applicable.