Moose Racing Complete Motor Gasket Kit Yamaha Yz250 Includes all gaskets and oil seals necessary for your engine and transmission rebuild project. Features: Kits include all gaskets and oil seals necessary to rebuild the entire engine and transmission Complete gasket and seal kits offered at a fraction of OEM cost Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit Oil seals are genuine OEM replacement seals Valve seals included in 4 stroke kits Includes formed rubber valve cover gaskets (unless noted) Does not include mechanical water pump seal (unless noted) All gaskets made in the USA Note: Images are for reference only.