5. Before installing the new air filter, it is necessary to thoroughly clean the bottom of the air filter box and remove the dust under the air filter.
　　6. After the empty filter box is cleaned, install the new air filter, fasten the cover of the empty filter box and install the clamp as it is, so as to ensure the airtight and firm installation of the installed empty filter box.
　　Seven, after the installation, try the engine, make sure that the installation is normal, put down the engine cover.