Part No. 52-0011 (oro2u.com)
TOP END GASKET KIT FOR
YAMAHA YZ-125 (03-04)
Top end gasket set from K&S Technologies includes all gaskets for a top end rebuild.

Kit Includes:
2x Cylinder Head O-ring, Cylinder Base Gasket Cylinder Cover Gasket, Cylinder Housing Gasket, Exhaust Pipe Seal