As low as $41.39/mo with or . (Pay in 4 interest-free payments)
VERTEX Piston Kit Cast Replica for 2 Stroke (66.34 mm) – Yamaha YZ250/X Restore performance and reliability with the VERTEX piston kit cast replica designed for 2-stroke off-road engines. This cast OE replacement delivers an accurate fit and dependable power delivery for your rebuild. Key Features Heat-treated piston with a T-5 hardening and tempering cycle for durability Skirt coated with high-tech Molybdenum Disulphite to improve break-in and extend piston life Gravity-cast aluminum alloy with 18% silicone content for consistent wear characteristics Cast OE replacement piston for reliable fitment Includes piston, rings, wrist pin, and circlips Specifications Compression Ratio: Standard Cylinder Diameter: 66.40 mm Piston Diameter: 66.34 mm Displacement: 250 cc Engine Type: 2-Stroke Riding Style: Off-Road Model: Cast Replica Skirt Coating: Molybdenum Disulphite Units: Kit VERTEX rebuild-ready piston kit—an ideal choice for restoring compression, stability, and long-term service life.
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
or 
. (Pay in 4 interest-free payments)
