The VERTEX Cast Replica Piston Kit is an OE-form replacement for 125cc 2-stroke engines, built for reliable performance and long piston life. Heat-treated and finished with a moly-coated skirt for faster break-in and reduced wear.
Replace worn top-end components with an OE-form piston kit built for dependable performance. The VERTEX Cast Replica Piston Kit is designed in the original OEM shape to restore correct fitment, compression and reliability in 125cc 2-stroke engines. With heat-treated construction and a moly-coated skirt, it helps reduce friction during break-in and supports extended piston life under off-road riding conditions.
If you’re dealing with loss of compression, wear-related noise, or planning a routine top-end service, this kit provides a straightforward solution using OEM-replacement piston and ring specification—so your engine can run cleanly and consistently again.