Vertex Top End Piston Kit, 53.96 mm for Suzuki RM125 (VTK22652B)

Restore dependable top-end performance with the Vertex VTK22652B Top End Piston Kit for Suzuki RM125 motorcycles. Designed as a cast OE replacement piston, this kit provides the key components needed for a piston replacement while maintaining compatibility with the original engine configuration. The gravity-cast aluminum alloy construction contains 18% silicone, offering a practical balance of strength, durability, and performance for demanding two-stroke applications.
The piston is heat treated using a T-5 hardening and tempering cycle to support reliable operation under elevated engine temperatures. Its skirt features a high-tech molybdenum disulfide coating that helps promote faster break-in and contributes to extended piston life. This coating is engineered to reduce friction during initial operation, helping the replacement piston seat properly when installed and serviced according to the motorcycle manufacturer’s recommendations.
The Vertex VTK22652B kit includes the piston, piston rings, wrist pins, circlips, top-end gaskets, and wrist pin bearing, providing a convenient solution for refreshing the upper end of a compatible Suzuki RM125 engine. Whether used during routine engine maintenance or a complete top-end rebuild, the included components help simplify installation and support consistent engine performance. Always verify application details and follow proper assembly procedures before installation.

Features:

• Heat-treated piston: Uses a T-5 hardening and tempering cycle for enhanced durability and reliable high-temperature performance.

• Molybdenum disulfide skirt coating: Helps promote faster break-in and supports increased piston life.

• Gravity-cast aluminum alloy: Constructed from cast aluminum alloy with 18% silicone content for dependable OE-replacement performance.

• Cast OE replacement piston: Designed for compatible Suzuki RM125 two-stroke engine applications.

• Complete top-end kit: Includes piston, rings, wrist pins, circlips, top-end gaskets, and wrist pin bearing.

Ships from Parts Unlimited.