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VERTEX Piston Kit Cast Replica for 2 Stroke (Honda CR125R) — 53.94 mm Restore peak performance with the VERTEX piston kit cast replica designed for 2-stroke off-road engines. Built as a cast OE replacement , this kit helps ensure a precise fit and dependable power for your Honda CR125R application. Key Features Heat-treated piston using a T-5 hardening and tempering cycle for improved durability. Molybdenum disulphite (MoS2) skirt coating for faster break-in and extended piston life. Gravity-cast aluminum alloy with 18% silicone content for strength and stability. Cast replica piston engineered for OE replacement performance and reliability. Complete kit includes piston, rings, wrist pin, and circlips. Specifications Engine Type: 2-Stroke Kit Type: Cast Replica Units: Kit Cylinder Diameter: 54.00 mm Piston Diameter: 53.94 mm Displacement: 125 cc Riding Style: Off-Road Piston Material: Aluminum Alloy (Cast) Skirt Coating: Molybdenum Disulphite Compression Ratio: Standard Product Name: Piston Kit Upgrade your rebuild with VERTEX craftsmanship—ideal for replacement, refresh, and performance-focused maintenance.
Piston is heat treated with a T-5 hardening and tempering cycle
Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Gravity-cast aluminum alloy (not forged) with 18% silicone content
Cast OE replacement piston
Kit includes piston, rings, wrist pin and circlips