The M8 Stop Washer (N ° 21) is a security technical washer placed between the nut and the cylinder base. Its role is to prevent any inconvenient loosening of the high engine mount nuts. On the DD2 motor, where the vibrations and transmission stresses are important, it is essential to ensure the integrity of the motor block.

The 64x2mm O-ring is the internal seal located between the dome of the cylinder head and the cylinder. Its precise dimensions (64 mm inner diameter and 2 mm thick) are designed to fit perfectly into the cylinder groove, preventing the cooling liquid from seeping into the combustion chamber.

Discover our complete pocket for engine Rotax EVO, specially designed for karting enthusiasts looking for performance and reliability. This pocket is compatible with a wide range of engines Rotax, including Micro Max, Mini Max, Junior and Max (Senior) models. Whether you are an amateur or professional driver, this clutch offers everything you need to perform a complete review of your engine.