Kawasaki KX 250 F Replica Piston Kit - Vertex Pistons - Forged - `21-`22. A direct-fit forged replica piston kit designed for 2021–2022 KX250F models, offering a reliable replacement with factory-compatible tolerances.

This Vertex piston kit is engineered for riders who need an accurate, durable piston for their KX250F. Each kit is available in Exact Fit A, B or C sizes to match your cylinder bore and minimize blow-by and oil consumption. Skirts are coated with molybdenum disulphide (MoS2) to promote faster break-in and improve piston skirt life. Piston crowns are heat treated using a T-5 hardening and tempering cycle for consistent strength. All kits include piston, rings, wrist pin and circlips required for installation.

Features

• Forged replica piston compatible with 2021–2022 Kawasaki KX250F
• Exact Fit A, B or C sizing for precise bore matching
• MoS2-coated skirts for improved break-in and wear resistance
• T-5 heat treated crown for consistent hardness and durability
• Complete kit: piston, rings, wrist pin and circlips included

If you have questions or need guidance on fitment, call us directly — we’re happy to help. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) for assistance or to book service. If you’re considering multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov