Complete Genuine YX160 160cc engine (current year model). The new generation of 160cc engine from the YX factory. –Upgraded 30mm adjustable-anglehigh flow inlet manifold and compatible spacers/gasket set (designed to suit high-flow carbs such as the VM26-672U; improves airflow and reduces intake mismatch that can contribute to kickback on higher-compression horizontals) –AFR tested/approved in-house.