Vertex Replica Piston Kit Yamaha YZ85 2019-2021 Piston, Ring,C-Clips, Wrist Pin

Most OEM manufacturers recommend on small-bore motocross engines need to have the piston and rings replaced every 25-30 hours to maintain peak performance and not damage the cylinder plating.

Vertex Pistons is the 2-Stroke Piston OEM supplier of two-stroke pistons to Husqvarna and KTM; they have an outstanding reputation for superior performance and stat of the art manufacturing processes. Vertex’s Yamaha YZ85 piston are manufactured using only premium aluminum alloys utilizing a 12-21% silicon content for reliability and long life.

• All pistons are heat-treated with a T-5 hardening and tempering cycle
• Vertex uses Molybdenum Disulphite coating on the piston skirts allowing for faster break-in time and increased piston life
• Forged pistons are forged from 2618 aluminum for superior strength and durability
• Replacement two-stroke piston rings sold individually

• Technical Specifications:STD Cylinder Diameter (mm): 52.50 Displacement (cc): 100.00 Piston Diameter (mm): 52.44

• Replica Piston kit; Single compression ring, Kit includes: Piston, ring, pin, clips
• Fits the Yamaha YZ85 2019-2022
  

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