6-8ESU00239Air filterAlways check that no snow is on the air filter element. Ifthere is any snow on the air filter element, take it out andremove the snow. Then reinstall the air filter elementbeneath the holding guides on the case. After riding thesnowmobile, make sure there is no snow on the air filterelement.NOTE:@ The air filter element can be removed when the ambi-ent temperature is 5 °C (41.5 °F) or higher. Before removing the air filter element, consult aYamaha dealer.@