
VERTEX Race Evolution Cast Piston — designed for off-road riders seeking a reliable OEM part for their motocross machines. Manufactured by VERTEX, a specialist in thermal components, this cast piston benefits from expertise used in competition and original setups. It fits the listed 85 cm³ displacements and is suitable for both cross and motocross applications.
Machined and inspected according to Vertex's process, this piston features tight tolerances for a precise fit in the cylinder. Its aluminum design ensures a weight/stiffness compromise suitable for the high RPMs encountered in motocross. Ideal for engine refurbishment or maintenance between races, it installs easily while adhering to manufacturer recommendations (rings, pin, timing).
Main compatibilities: KAWASAKI KX 85 II (2026), KAWASAKI KX 85 I (2026), KAWASAKI KX 85 STD WHEELS 17/14 (2021). For a secure installation, always check the condition of the cylinder and associated parts before replacement.