



The WISECO forged piston (manufacturer part number: W4921M07700C) is designed for motocross riders looking for a reliable replacement part or wishing to prepare their engine without compromising the original architecture. Made from aluminum and crafted with Wiseco's expertise, it features a standard compression geometry to maintain original characteristics while withstanding the demanding conditions of off-road riding.
Suitable for bore reworks corresponding to oversize C, this piston is particularly well-suited for motocross bikes such as the SUZUKI RM-Z 250 from the 2007 to 2009 models. The included ring kit simplifies reassembly and allows for a complete restoration of the moving assembly.
Whether for restoration or engine preparation, this Wiseco piston maintains the balance of reliability and toughness needed for motocross use. Adhere to the bore dimensions and manufacturer recommendations during installation to ensure engine sealing and longevity.