Athena 98-04 Yamaha YZ 125 0.5mm Thick Cylinder Base Gasket

This Athena cylinder base gasket is what you get in the box for your 1998-2004 Yamaha YZ 125. It's a 0.5mm thick gasket designed to seal the connection between the cylinder and the crankcase.

Athena has been making gaskets for over 40 years, so they know their stuff. They work closely with engineers and designers to make sure their gaskets meet the same standards that original equipment manufacturers require. This means you're getting a well-built part that's made to fit and seal properly for your bike.