Moose Racing Complete Motor Gasket Kit Yamaha Yz250 Moose Racing's Complete Motor Gasket Kit offer all essential components for a comprehensive overhaul. Manufactured in the U.s.a., these kits come complete with genuine OEM replacement seals, valve seals, and formed rubber valve cover gaskets. 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. Mechanical water pump seal is not included